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- [31] THE 3RD BOUNDARY-VALUE PROBLEM FOR 2ND-ORDER LINEAR ELLIPTIC-EQUATIONS DOKLADY AKADEMII NAUK SSSR, 1981, 261 (02): : 278 - 282
- [39] LEMMA ON THE INNER DERIVATIVE AND UNIQUENESS OF THE SOLUTION OF THE 2ND BOUNDARY-VALUE PROBLEM FOR 2ND-ORDER ELLIPTICAL EQUATIONS DOKLADY AKADEMII NAUK SSSR, 1981, 261 (04): : 804 - 808