@article{ZNSL_1971_20_a24,
     author = {A. I. Shklovskii},
     title = {Some aspects of graphic regularity},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {272--281},
     publisher = {mathdoc},
     volume = {20},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1971_20_a24/}
}