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@article{MV_1971_23_1_a33, author = {B. P. Alimpi\'c}, title = {On models of certain formulas with a predicate letter of lenght n}, journal = {Matemati\v{c}ki vesnik}, pages = {287 }, publisher = {mathdoc}, volume = {23}, number = {1}, year = {1971}, url = {http://geodesic.mathdoc.fr/item/MV_1971_23_1_a33/} }
B. P. Alimpić. On models of certain formulas with a predicate letter of lenght n. Matematički vesnik, Tome 23 (1971) no. 1, p. 287 . http://geodesic.mathdoc.fr/item/MV_1971_23_1_a33/