@article{10_1017_S0008439500026059,
     author = {Schwerdtfeger, H.},
     title = {Observations of a {Travelling} {Mathematician} in {Europe}},
     journal = {Canadian mathematical bulletin},
     pages = {89--90},
     year = {1962},
     volume = {5},
     number = {1},
     doi = {10.1017/S0008439500026059},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500026059/}
}