@article{TRSPY_2002_239_a8,
     author = {M. Deza and M. I. Shtogrin},
     title = {Extremal and {Nonextendible} {Polycycles}},
     journal = {Informatics and Automation},
     pages = {127--145},
     publisher = {mathdoc},
     volume = {239},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2002_239_a8/}
}