@article{RM_1976_31_5_a21,
     author = {A. G. Vainshtein and L. M. Lerman},
     title = {Nonautonomous suspensions over diffeomorphisms, and the geometry of nearness},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {31},
     number = {5},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1976_31_5_a21/}
}