Based on the equivalence between transformation equation and constrained equation consisting of times explicitly,the unified description of criteria for scleronomic constraint and scleronomic system is proposed.
蔡建乐,江文杰.定常约束与定常系统判据的等同性[J].重庆工商大学学报(自然科学版),1997,(1): Cai Jianle. The Equivalence of Criteria for Scleronomic Constraint and Scleronomic System[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),1997,(1):