共 50 条
- [33] CAUCHY-PROBLEM WITH THE UNKNOWN BOUNDARY FOR A 1ST-ORDER PARTIAL-DIFFERENTIAL EQUATION DOKLADY AKADEMII NAUK SSSR, 1981, 260 (02): : 288 - 292
- [39] ON SINGULAR SOLUTIONS FOR SOME 1ST ORDER PARTIAL-DIFFERENTIAL EQUATIONS WITH DEGENERATE PRINCIPAL SYMBOLS JOURNAL OF MATHEMATICS OF KYOTO UNIVERSITY, 1986, 26 (03): : 339 - 355