@article{IVM_2006_10_a2,
     author = {L. S. Efremova},
     title = {On the nonwandering set and center of some skew products of mappings of the interval},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {19--28},
     publisher = {mathdoc},
     number = {10},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2006_10_a2/}
}