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@article{DAN_1990_310_2_a17, author = {S. V. Khabirov}, title = {Application of contact transformations of the inhomogeneous}, journal = {Doklady Akademii Nauk}, pages = {333--336}, publisher = {mathdoc}, volume = {310}, number = {2}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_310_2_a17/} }
S. V. Khabirov. Application of contact transformations of the inhomogeneous. Doklady Akademii Nauk, Tome 310 (1990) no. 2, pp. 333-336. http://geodesic.mathdoc.fr/item/DAN_1990_310_2_a17/