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@article{DAN_1979_249_4_a5, author = {V. K. Sabelfeld}, title = {Polynomial estimation of the complexity of recognizing logical term equivalence}, journal = {Doklady Akademii Nauk}, pages = {793--796}, publisher = {mathdoc}, volume = {249}, number = {4}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1979_249_4_a5/} }
V. K. Sabelfeld. Polynomial estimation of the complexity of recognizing logical term equivalence. Doklady Akademii Nauk, Tome 249 (1979) no. 4, pp. 793-796. http://geodesic.mathdoc.fr/item/DAN_1979_249_4_a5/