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@article{AM2_1975__12_136480, author = {Halina Swiatak}, title = {On a {Class} of {Functional} {Equations} with {Several} {Unknown} {Functions.}}, journal = {Aequationes mathematicae}, pages = {39--64}, publisher = {mathdoc}, volume = {12}, year = {1975}, zbl = {0298.39002}, url = {http://geodesic.mathdoc.fr/item/AM2_1975__12_136480/} }
Halina Swiatak. On a Class of Functional Equations with Several Unknown Functions.. Aequationes mathematicae, Tome 12 (1975), pp. 39-64. http://geodesic.mathdoc.fr/item/AM2_1975__12_136480/