@article{SEMR_2011_8_a5,
     author = {I. A. Mednykh and M. A. Zindinova},
     title = {On the structure of picard group for moebius ladder},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {54--61},
     publisher = {mathdoc},
     volume = {8},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2011_8_a5/}
}