On degenerate parabolic operators. (English. Russian original) Zbl 0263.34064
Sov. Math., Dokl. 12, 129-132 (1971); translation from Dokl. Akad. Nauk SSSR 196, 302-304 (1971).
MSC:
34G99 | Differential equations in abstract spaces |
47A50 | Equations and inequalities involving linear operators, with vector unknowns |
47B99 | Special classes of linear operators |