@article{106100, author = {Petr H\'ajek}, title = {Completion closed algebras and models of Peano arithmetic}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {022}, year = {1981}, pages = {585-594}, zbl = {0499.03022}, mrnumber = {633586}, language = {en}, url = {http://dml.mathdoc.fr/item/106100} }
Hájek, Petr. Completion closed algebras and models of Peano arithmetic. Commentationes Mathematicae Universitatis Carolinae, Tome 022 (1981) pp. 585-594. http://gdmltest.u-ga.fr/item/106100/
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