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@article{IVM_1965_1_a7, author = {G. I. Zhitomirskii}, title = {On the lattice of congruence relations in a~generalized heap}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {56--61}, publisher = {mathdoc}, number = {1}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1965_1_a7/} }
G. I. Zhitomirskii. On the lattice of congruence relations in a~generalized heap. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1965), pp. 56-61. http://geodesic.mathdoc.fr/item/IVM_1965_1_a7/