@article{ZVMMF_2006_46_1_a8,
     author = {L. A. Kalyakin},
     title = {Intermediate asymptotics for solutions to the degenerate principal resonance equations},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {83--94},
     publisher = {mathdoc},
     volume = {46},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2006_46_1_a8/}
}