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@article{AL_1988_27_2_a3, author = {M. P. Tropin}, title = {The minimal co-order of {pseudo-Boolean} and {topo-Boolean}}, journal = {Algebra i logika}, pages = {201--220}, publisher = {mathdoc}, volume = {27}, number = {2}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1988_27_2_a3/} }
M. P. Tropin. The minimal co-order of pseudo-Boolean and topo-Boolean. Algebra i logika, Tome 27 (1988) no. 2, pp. 201-220. http://geodesic.mathdoc.fr/item/AL_1988_27_2_a3/