2 citations to https://www.mathnet.ru/eng/dan35385

1. A. T. Fomenko, “Multi-dimensional variational methods in the topology of extremals”, Russian Math. Surveys, 36:6 (1981), 127–165            
2. A. T. Fomenko, “The multidimensional Plateau problem in Riemannian manifolds”, Math. USSR-Sb., 18:3 (1972), 487–527