@article{GDZPPN002344130, title = {Solution of problem 11 (Vol. 3 (1955), p. 171)}, journal = {Mathematica Scandinavica}, volume = {3}, year = {1955}, pages = {306-307}, url = {http://dml.mathdoc.fr/item/GDZPPN002344130} }
BANG, THOGER. Solution of problem 11 (Vol. 3 (1955), p. 171). Mathematica Scandinavica, Tome 3 (1955) pp. 306-307. http://gdmltest.u-ga.fr/item/GDZPPN002344130/