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@article{MT_2012_15_2_a0, author = {S. G. Basalaev}, title = {Parametrizations of level surfaces of real-valued mappings of {Carnot} groups}, journal = {Matemati\v{c}eskie trudy}, pages = {3--29}, publisher = {mathdoc}, volume = {15}, number = {2}, year = {2012}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MT_2012_15_2_a0/} }
S. G. Basalaev. Parametrizations of level surfaces of real-valued mappings of Carnot groups. Matematičeskie trudy, Tome 15 (2012) no. 2, pp. 3-29. http://geodesic.mathdoc.fr/item/MT_2012_15_2_a0/