@article{AM2_1971__6_136191,
     author = {J. MATKOWSKI},
     title = {On the {Continuous} {Dependences} of {Cr} {Solutions} of a {Functional} {Equation} on the {Given} {Functions}},
     journal = {Aequationes mathematicae},
     pages = {215--227},
     publisher = {mathdoc},
     volume = {6},
     year = {1971},
     zbl = {0226.39007},
     url = {http://geodesic.mathdoc.fr/item/AM2_1971__6_136191/}
}