@article{TM_1997_216_a8, author = {V. V. Ryzhikov}, title = {On the asymmetry of cascades}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {154--157}, publisher = {mathdoc}, volume = {216}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1997_216_a8/} }