El'tsov A I

Publications in Math-Net.Ru

1. Quadrature in the sense of Lebesgue of a parametrized surface
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1967, no. 1,  49–56
2. On Lebesgue rectifiability of a certain kind of parametrized ruled surface
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1965, no. 6,  85–92
3. On the squarability in the Lebesgue sense of a type of ruled surface
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1964, no. 1,  40–45