共 50 条
- [1] Determination of the lower boundary of the ocean upper mixed layer OKEANOLOGIYA, 1996, 36 (01): : 133 - 137
- [3] Method of Upper and Lower Functions and Fragmentation of Boundary Value Problems Differential Equations, 2019, 55 : 859 - 861
- [8] Upper and lower solutions method and a singular boundary value problem ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK, 2002, 82 (07): : 481 - 490
- [9] The Method of Upper and Lower Solutions for a Lidstone Boundary Value Problem Czechoslovak Mathematical Journal, 2005, 55 : 639 - 652