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- [2] UNIQUENESS THEOREMS FOR SINGULAR BOUNDARY-VALUE PROBLEMS NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1976, 23 (01): : A126 - A126
- [9] NONLINEAR SINGULAR MULTIPOINT BOUNDARY-VALUE PROBLEMS ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK, 1973, 53 (01): : 31 - 38