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@article{AL_1969_8_1_a4, author = {A. Tauts}, title = {Nonregular first order predicate calculus}, journal = {Algebra i logika}, pages = {76--92}, publisher = {mathdoc}, volume = {8}, number = {1}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1969_8_1_a4/} }
A. Tauts. Nonregular first order predicate calculus. Algebra i logika, Tome 8 (1969) no. 1, pp. 76-92. http://geodesic.mathdoc.fr/item/AL_1969_8_1_a4/