@misc{10_4153_CMB_1971_055_5,
     title = {Leopold {Infeld}},
     journal = {Canadian mathematical bulletin},
     pages = {301--303},
     year = {1971},
     volume = {14},
     number = {3},
     doi = {10.4153/CMB-1971-055-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-055-5/}
}