@article{JMAG_1997_4_1_a8, author = {L. A. Masal'tsev}, title = {Bianchi{\textendash}Li{\textendash}Backlund transformation in spaces of constant curvature $H^3(-1)$ and $S^3(1)$}, journal = {\v{Z}urnal matemati\v{c}eskoj fiziki, analiza, geometrii}, pages = {133--144}, year = {1997}, volume = {4}, number = {1}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/JMAG_1997_4_1_a8/} }