共 50 条
- [1] SEGALS THEORY FOR INTEGRAL SPIN FIELDS - FIRST ORDER EQUATIONS ACTA CIENTIFICA VENEZOLANA, 1971, 22 : 38 - &
- [4] FIRST-ORDER PARTIAL DIFFERENTIAL EQUATIONS AND CONSUMER THEORY DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES S, 2018, 11 (06): : 1143 - 1167
- [5] First-order equations of motion for heterotic string field theory PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS, 2014, 2014 (09):
- [6] Unified theory for first-order discontinuous scalar differential equations Nonlinear Analysis, Theory, Methods & Applications, 1996, 26 (04):
- [8] ON ALGEBRAIC THEORY OF ELLIPTIC SYSTEMS OF FIRST-ORDER DIFFERENTIAL EQUATIONS DOKLADY AKADEMII NAUK SSSR, 1963, 150 (06): : 1228 - &