Shephard G K

Publications in Math-Net.Ru

1. Some remarks on V. P. Fedotov's paper on discrete chronogeometry: "Some remarks on discrete chronogeometry" [Sibirsk. Mat. Zh. 19 (1978), no. 1, 186–192
   
   Sibirsk. Mat. Zh., 22:1 (1981),  220–226