Voir la notice de l'article provenant de la source Math-Net.Ru
@article{AL_1978_17_2_a1, author = {A. N. Degtev}, title = {Decidability of the $\forall \exists $-theory of a certain}, journal = {Algebra i logika}, pages = {134--143}, publisher = {mathdoc}, volume = {17}, number = {2}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1978_17_2_a1/} }
A. N. Degtev. Decidability of the $\forall \exists $-theory of a certain. Algebra i logika, Tome 17 (1978) no. 2, pp. 134-143. http://geodesic.mathdoc.fr/item/AL_1978_17_2_a1/