Spivak M A

Publications in Math-Net.Ru

1. The decomposition of regular expressions in terms of a basis, and its applications
   
   Dokl. Akad. Nauk SSSR, 162:3 (1965),  520–522
2. Conditions for the resolvability of a relation into a direct sum
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1965, no. 4,  132–139
3. Algebraic theory of coordinate structures and geometric objects
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1958, no. 4,  236–247