@article{MS2_1953__1_165505,
     author = {FREDERICK BAGEMIHL},
     title = {Congruous and incongruous one-to-one correspondences},
     journal = {Mathematica Scandinavica},
     pages = {256--260},
     year = {1953},
     volume = {1},
     zbl = {0053.03002},
     url = {http://geodesic.mathdoc.fr/item/MS2_1953__1_165505/}
}