Ershov Yurii Valer'evich

Publications in Math-Net.Ru

1. Realizability of the $H_k$-distance functions by homology classes of path spaces
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 2010, no. 5,  18–24
2. Generalized distance functions of Riemannian manifolds and the motions of gyroscopic systems
   
   Sibirsk. Mat. Zh., 49:1 (2008),  87–100