@article{GDZPPN002393832, title = {The minimum of two regressive isols.}, journal = {Mathematische Zeitschrift}, volume = {85}, year = {1964}, pages = {345-366}, zbl = {0122.01002}, url = {http://dml.mathdoc.fr/item/GDZPPN002393832} }
Dekker, J.C.E. The minimum of two regressive isols.. Mathematische Zeitschrift, Tome 85 (1964) pp. 345-366. http://gdmltest.u-ga.fr/item/GDZPPN002393832/