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- [25] VARIATIONAL SOLUTION OF A NONLINEAR BOUNDARY-VALUE PROBLEM FOR UNSTEADY FLOW OF GAS LETTERE AL NUOVO CIMENTO, 1972, 5 (02): : 152 - &
- [28] ON A BOUNDARY-VALUE PROBLEM FOR ELLIPTIC OPERATOR DOKLADY AKADEMII NAUK SSSR, 1980, 253 (02): : 265 - 266