References
607
[1967: 2] Parabolic equations in spaces of means. (Russian.) Dokl. Akad. Nauk
SSSR (1967), 281-284. (MR 36, # 6752).
[1967: 3] The application of fractional powers of operators to the investigation
of quasilinear parabolic and elliptic equations and systems. (Russian.)
Ukrain. Mat. Z. 19 (1967), no. 3, 127-130. (MR 35, #4565).
[1968:1] Elliptic equations in a Banach space. (Russian.) Differencial'aye
Uravnenija 4 (1968), 1346-1348. (MR 37, #6627).
[1968: 2] A certain type of differential equations in a Banach space. (Russian.)
Differencial'nye Uravnenija 4 (1968), 2278-2280. (MR 39, #593).
[1968: 3]
The Bubnov-Galerkin method for parabolic equations in Hilbert space.
(Russian.) Dokl. Akad. Nauk SSSR 178 (1968), 548-551. (MR 36,
#6753).
[1968: 4] Differential equations with unbounded operators which generate non-
analytic semigroups. (Russian.) Dokl. Akad. Nauk SSSR 183 (1968),
292-295. (MR 40, #3026).
[1968: 5] Quasilinear equations in a Banach space. (Russian.) Dokl. Akad. Nauk
SSSR 183 (1968), 1020-1023. (MR 39, #5907).
[1968:6] Fractional integration by parts. (Russian.) Dokl. Akad. Nauk SSSR
183 (1968), 1269-1272. (MR 38, #6203).
[1970: 1] The s-numbers of positive operators. (Russian.) Dokl. Akad. Nauk
SSSR 193 (1970), 1245-1247. (MR 42, #5087).
[1971: 1]
Degenerate parabolic operators. (Russian.) Dokl. Akad. Nauk SSSR
196 (1971), 302-304. (MR 43, #3849).
[1971:2] Semigroups of growth a. (Russian.) Dokl. Akad. Nauk SSSR 196
(1971), 535-537. (MR 43, #3850).
[1971: 3] The coercive solvability of difference equations. (Russian.) Dokl. A kad.
Nauk SSSR 201 (1971), 1063-1066. (MR 44, #7375).
[1972: 1] Fractional powers of elliptic operators in the ideals C25p. (Russian.)
Voronei. Gos. Univ. Trudy Naucn.-Issled. Inst. Mat. VGU Vyp. 5 Sb.
Statei Teor. Operator i Differencial. Uravnenii (1972), 114-117. (MR
56, # 12989).
[1977: 11
Fractional powers of coercive-positive sums of operators. (Russian.)
Sibirsk. Mat. Z. 18 (1977), 636-657. (MR 56, # 12492).
P. E. Sobolevskii and M. N. Titenskii
[1969: 1]
An investigation of the solvability of prescribed parabolic equations in
a Banach space and a generalized Bubnov-Galerkin method for their
approximate solution. (Russian.) Differencial'nye Uravnenija 5 (1969),
1495-1502.
H. Sohr
[1973: 1]
Schwache Losungen von Evolutionsgleichungen mit Anwendungen auf
Partielle Differentialgleichungen. Methoden and Verfahren der Mathe-
matischen Physik, Band 11,
117-142.
Bibliographisches
Institut,
Mannheim, 1973. (MR 50, # 13787).
[1973:2]
Verallgemeinerung eines Satzes von O. Ladyzenskaja fiber Schro-
dingergleichungen. Methoden and Verfahren der Mathematischen Physik,
Band. 11, 143-162. (MR 50, # 13788).