共 50 条
- [37] Approximate analytical solution of singularly perturbed boundary value problems in MAPLE AIMS MATHEMATICS, 2020, 5 (03): : 2272 - 2284
- [38] ON A POINTWISE VARIATIONAL PRINCIPLE FOR APPROXIMATE SOLUTION OF LINEAR BOUNDARY VALUE PROBLEMS JOURNAL OF MATHEMATICS AND MECHANICS, 1967, 16 (11): : 1247 - +