共 50 条
- [41] 2ND-ORDER DIFFERENTIAL-EQUATIONS WITH VARIABLE-COEFFICIENTS - ANALYTICAL SOLUTIONS NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA B-GENERAL PHYSICS RELATIVITY ASTRONOMY AND MATHEMATICAL PHYSICS AND METHODS, 1987, 99 (01): : 53 - 60
- [43] A priori estimations for coercive solvability of differential-operator equations with variable coefficients PROCEEDINGS OF THE INSTITUTE OF MATHEMATICS AND MECHANICS, 2012, 37 (45): : 111 - 116
- [48] A COUPLED SYSTEM OF LINEAR HOMOGENEOUS DIFFERENTIAL-EQUATIONS WITH VARIABLE-COEFFICIENTS AND ITS APPLICATIONS INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS, 1987, 18 (04): : 360 - 370
- [50] ON THE STABILITY OF A SYSTEM OF DIFFERENTIAL-EQUATIONS WITH COMPLEX COEFFICIENTS INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS, 1988, 19 (10): : 963 - 972