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@article{AL_1967_6_5_a4, author = {N. G. Khisamiev}, title = {Unsolvability of the elementary theory of a free lattice}, journal = {Algebra i logika}, pages = {45--48}, publisher = {mathdoc}, volume = {6}, number = {5}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1967_6_5_a4/} }
N. G. Khisamiev. Unsolvability of the elementary theory of a free lattice. Algebra i logika, Tome 6 (1967) no. 5, pp. 45-48. http://geodesic.mathdoc.fr/item/AL_1967_6_5_a4/