@article{MT_2006_9_2_a1,
     author = {S. K. Vodop'yanov and I. M. Pupyshev},
     title = {Boundary {Values} of {Differentiable} {Functions} {Defined} on {an~Arbitrary} {Domain} of {a~Carnot} {Group}},
     journal = {Matemati\v{c}eskie trudy},
     pages = {23--46},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2006_9_2_a1/}
}