@article{00716392, title = {On a problem of R. Schilling. II.}, journal = {Mathematica Pannonica}, volume = {5}, year = {1994}, pages = {145-168}, zbl = {0816.39002}, language = {en}, url = {http://dml.mathdoc.fr/item/00716392} }
Förg-Rob, Wolfgang. On a problem of R. Schilling. II.. Mathematica Pannonica, Tome 5 (1994) pp. 145-168. http://gdmltest.u-ga.fr/item/00716392/