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@article{IM2_1975_9_6_a9, author = {S. A. Pirogov}, title = {The existence of lattice models with several types of pariticles}, journal = {Izvestiya. Mathematics }, pages = {1333--1357}, publisher = {mathdoc}, volume = {9}, number = {6}, year = {1975}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1975_9_6_a9/} }
S. A. Pirogov. The existence of lattice models with several types of pariticles. Izvestiya. Mathematics , Tome 9 (1975) no. 6, pp. 1333-1357. http://geodesic.mathdoc.fr/item/IM2_1975_9_6_a9/