Potapov V P

Publications in Math-Net.Ru

1. $J$-expanding mtrix functions and their role in the analytical theory of electrical circuits
   
   Uspekhi Mat. Nauk, 28:1(169) (1973),  65–130
2. The multiplicative structure of $J$-contractive matrix functions
   
   Tr. Mosk. Mat. Obs., 4 (1955),  125–236