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@article{MT_2005_8_2_a2, author = {V. N. Berestovskii}, title = {Spiral {Dispositions} of {Nonnegative} {Integers} at {Lattice} {Points}}, journal = {Matemati\v{c}eskie trudy}, pages = {49--68}, publisher = {mathdoc}, volume = {8}, number = {2}, year = {2005}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MT_2005_8_2_a2/} }
V. N. Berestovskii. Spiral Dispositions of Nonnegative Integers at Lattice Points. Matematičeskie trudy, Tome 8 (2005) no. 2, pp. 49-68. http://geodesic.mathdoc.fr/item/MT_2005_8_2_a2/