@article{TRSPY_1995_209_a9,
     author = {S. V. Stanchenko},
     title = {Arbitrary deformations of {Lagrangian} and {Legendrian} mappings},
     journal = {Informatics and Automation},
     pages = {220--233},
     publisher = {mathdoc},
     volume = {209},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1995_209_a9/}
}