@article{GDZPPN00235389X, title = {An application of a theorem of Hirsberg and Lazar.}, journal = {Mathematica Scandinavica}, volume = {38}, year = {1976}, pages = {325-340}, zbl = {0336.46019}, url = {http://dml.mathdoc.fr/item/GDZPPN00235389X} }
Lima, Asvald. An application of a theorem of Hirsberg and Lazar.. Mathematica Scandinavica, Tome 38 (1976) pp. 325-340. http://gdmltest.u-ga.fr/item/GDZPPN00235389X/