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@article{SJVM_2008_11_3_a2, author = {V. A. Amelkin}, title = {Enumeration problems of oriented serial sequences}, journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki}, pages = {271--282}, publisher = {mathdoc}, volume = {11}, number = {3}, year = {2008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/SJVM_2008_11_3_a2/} }
V. A. Amelkin. Enumeration problems of oriented serial sequences. Sibirskij žurnal vyčislitelʹnoj matematiki, Tome 11 (2008) no. 3, pp. 271-282. http://geodesic.mathdoc.fr/item/SJVM_2008_11_3_a2/