Ryzhkov Nikolai Ivanovich

Publications in Math-Net.Ru

1. Academician Andrei Nikolaevich Kolmogorov (obituary)
   
   Uspekhi Mat. Nauk, 43:1(259) (1988),  3–4
2. Academician Andrey Nikolaevich Kolmogorov
   
   Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 1988, no. 2,  98–99