U, Čžun-chaĭ The Cauchy problem for some degenerate hyperbolic 4th-degree equations. (Russian) Zbl 0084.09101 Science Record, n. Ser. 3, 49-54 (1959). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 35L30 Initial value problems for higher-order hyperbolic equations Keywords:partial differential equations × Cite Format Result Cite Review PDF