共 50 条
- [22] BOUNDARY VALUE PROBLEM FOR EQUATION DELTA-U = U2 DOKLADY AKADEMII NAUK SSSR, 1961, 138 (02): : 305 - &
- [25] A BOUNDARY PROBLEM FOR THE DELTA/DELTA-XDELTA-U=0 EQUATION DOKLADY AKADEMII NAUK SSSR, 1956, 110 (06): : 926 - 928
- [30] SCHWARZS LEMMA FOR DELTA-U+C(X)U=O PROCEEDINGS OF THE JAPAN ACADEMY, 1974, 50 (08): : 555 - 560