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@article{AL_2006_45_5_a0, author = {A. N. Gavryushkin}, title = {Complexity of {Ehrenfeucht} models}, journal = {Algebra i logika}, pages = {507--519}, publisher = {mathdoc}, volume = {45}, number = {5}, year = {2006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_2006_45_5_a0/} }
A. N. Gavryushkin. Complexity of Ehrenfeucht models. Algebra i logika, Tome 45 (2006) no. 5, pp. 507-519. http://geodesic.mathdoc.fr/item/AL_2006_45_5_a0/