@article{TIMM_2011_17_4_a16,
     author = {F. G. Korablev},
     title = {Uniqueness of knot roots in $F\times I$ and prime decompositions of virtual knots},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {160--175},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2011_17_4_a16/}
}