@article{GDZPPN00235649X, title = {Integration seperat stetiger Funktionen}, journal = {Mathematica Scandinavica}, volume = {48}, year = {1981}, pages = {68-78}, zbl = {0438.28005}, url = {http://dml.mathdoc.fr/item/GDZPPN00235649X} }
Janssen, Arnold. Integration seperat stetiger Funktionen. Mathematica Scandinavica, Tome 48 (1981) pp. 68-78. http://gdmltest.u-ga.fr/item/GDZPPN00235649X/