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@article{AM2_1977__16_136699, author = {B.V. Limaye and N.B. Limaye}, title = {The fundamental theorem for the projective line over commutative rings.}, journal = {Aequationes mathematicae}, pages = {275--282}, publisher = {mathdoc}, volume = {16}, year = {1977}, zbl = {0371.13018}, url = {http://geodesic.mathdoc.fr/item/AM2_1977__16_136699/} }
B.V. Limaye; N.B. Limaye. The fundamental theorem for the projective line over commutative rings.. Aequationes mathematicae, Tome 16 (1977), pp. 275-282. http://geodesic.mathdoc.fr/item/AM2_1977__16_136699/