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@article{AM2_1971__6_136208, author = {A.B. BUCHE}, title = {On the {Cosine-Sine} {Operator} {Functional} {Equations} {(Short} {Communication)}}, journal = {Aequationes mathematicae}, pages = {313--314}, publisher = {mathdoc}, volume = {6}, year = {1971}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AM2_1971__6_136208/} }
A.B. BUCHE. On the Cosine-Sine Operator Functional Equations (Short Communication). Aequationes mathematicae, Tome 6 (1971), pp. 313-314. http://geodesic.mathdoc.fr/item/AM2_1971__6_136208/