@inbook{402293, title = {[Two letters]}, booktitle = {Forgotten mathematician Henry Lowig (1904--1995)}, series = {GDML\_Books}, publisher = {MATFYZPRESS, Vydavatelstv\'\i\ Matematicko-fyzik\'aln\'\i\ fakulty v Praze}, address = {Praha}, year = {2012}, pages = {6-7}, url = {http://dml.mathdoc.fr/item/402293} }
(éd.). [Two letters], dans Forgotten mathematician Henry Lowig (1904–1995), GDML_Books, (2012), pp. 6-7. http://gdmltest.u-ga.fr/item/402293/