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- [3] ON THE ASYMPTOTIC PROPERTIES AND NECESSARY CONDITIONS FOR EXISTENCE OF SOLUTIONS OF NON-LINEAR 2ND-ORDER ELLIPTIC-EQUATIONS MATHEMATICS OF THE USSR-SBORNIK, 1979, 35 (06): : 823 - 849
- [10] OSCILLATORY BEHAVIOR OF FORCED 2ND-ORDER NON-LINEAR FUNCTIONAL-DIFFERENTIAL EQUATIONS KEXUE TONGBAO, 1982, 27 (09): : 921 - 925