@article{ZNSL_2002_286_a15,
     author = {A. V. Shutov},
     title = {Growth of the 1-periodic graphs},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {215--226},
     publisher = {mathdoc},
     volume = {286},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2002_286_a15/}
}