Continuation of differentiable functions, and quasiconformal mappings on Carnot groups
S. K. Vodopyanov, A. V. Greshnov

This publication is cited in the following articles:

1. N. N. Romanovskii, “Integral representations and embedding theorems for functions on the Hesenberg groups $\mathbb H^n$”, St. Petersburg Math. J., 16:2 (2005), 349–375