Plamennov I Ya

Publications in Math-Net.Ru

1. Asymptotic differentiation of functions of two real variables
   
   Mat. Sb. (N.S.), 45(87):4 (1958),  433–454
2. On differentiable properties of measurable functions
   
   Mat. Sb. (N.S.), 42(84):2 (1957),  223–248