@article{JRAM_1940__182_150080,
     author = {R. Sprague},
     title = {\"Uber die {Zerlegung} von {Rechtecken} in lauter verschiedene {Quadrate.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {60--64},
     publisher = {mathdoc},
     volume = {182},
     year = {1940},
     zbl = {0022.30604},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1940__182_150080/}
}