Apresyan Yu A

Publications in Math-Net.Ru

1. A class of three-webs on a four-dimensional manifold and corresponding third-order differential equations
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1985, no. 1,  3–8
2. Multidimensional three-webs, generated by two families of hypersurfaces and one family of curves
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1977, no. 4,  132–135