@article{SJIM_2007_10_1_a8,
     author = {V. A. Kolmykov},
     title = {On the investigation of the stability of hydrocarbon molecules: zero pulsations in the spectra of periodic graphs},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {90--95},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2007_10_1_a8/}
}