@article{MMO_1965_14_a8,
     author = {A. M. Leontovich and M. S. Mel'nikov},
     title = {On the boundedness of variations of a manifold},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {306--337},
     publisher = {mathdoc},
     volume = {14},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1965_14_a8/}
}