共 50 条
- [21] A new class of problems in the calculus of variations [J]. REGULAR & CHAOTIC DYNAMICS, 2013, 18 (06): : 553 - 584
- [22] A new class of problems in the calculus of variations [J]. Regular and Chaotic Dynamics, 2013, 18 : 553 - 584
- [23] A new theorem in operational calculus together with an application of it [J]. PHYSICA, 1935, 2 : 75 - 80