@article{MS2_1955__3_165600,
     author = {THOGER BANG},
     title = {Solution of problem 11 {(Vol.} 3 (1955), p. 171)},
     journal = {Mathematica Scandinavica},
     pages = {306--307},
     publisher = {mathdoc},
     volume = {3},
     year = {1955},
     url = {http://geodesic.mathdoc.fr/item/MS2_1955__3_165600/}
}