Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1955__3_165601, author = {ARNE PLEIJEL}, title = {Problem 16}, journal = {Mathematica Scandinavica}, pages = {306--306}, publisher = {mathdoc}, volume = {3}, year = {1955}, url = {http://geodesic.mathdoc.fr/item/MS2_1955__3_165601/} }
ARNE PLEIJEL. Problem 16. Mathematica Scandinavica, Tome 3 (1955), p. 306. http://geodesic.mathdoc.fr/item/MS2_1955__3_165601/