Yakubov, S. Ya. Nonlinear abstract hyperbolic equations. (English. Russian original) Zbl 0174.46101 Sov. Math., Dokl. 8, 1055-1059 (1967); translation from Dokl. Akad. Nauk SSSR 176, 46-49 (1967). × Cite Format Result Cite Review PDF
Yakubov, S. Ya. Solvability of the Cauchy problem for abstract parabolic equations with variable operators. (English. Russian original) Zbl 0162.19802 Sov. Math., Dokl. 8, 1165-1169 (1967); translation from Dokl. Akad. Nauk SSSR 176, 545-548 (1967). × Cite Format Result Cite Review PDF
Yakubov, S. Ya. Nonlocal solvability of boundary value problems for quasilinear partial differential equations of hyperbolic type. (English. Russian original) Zbl 0159.39201 Sov. Math., Dokl. 8, 1103-1106 (1967); translation from Dokl. Akad. Nauk SSSR 176, 279-282 (1967); correction 283, 8 (1968). × Cite Format Result Cite Review PDF