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@article{AM2_1969__2_182303, author = {B. SCHWEIZER and A. SKLAR}, title = {A {Grammar} of {Functions,} {I}}, journal = {Aequationes mathematicae}, pages = {62--85}, publisher = {mathdoc}, volume = {2}, year = {1969}, url = {http://geodesic.mathdoc.fr/item/AM2_1969__2_182303/} }
B. SCHWEIZER; A. SKLAR. A Grammar of Functions, I. Aequationes mathematicae, Tome 2 (1969), pp. 62-85. http://geodesic.mathdoc.fr/item/AM2_1969__2_182303/