@article{1183740063, author = {Smorynski, C.}, title = {On Axiomatizing Fragments}, journal = {J. Symbolic Logic}, volume = {42}, number = {1}, year = {1977}, pages = { 530-544}, language = {en}, url = {http://dml.mathdoc.fr/item/1183740063} }
Smorynski, C. On Axiomatizing Fragments. J. Symbolic Logic, Tome 42 (1977) no. 1, pp. 530-544. http://gdmltest.u-ga.fr/item/1183740063/