@article{PMF_1934_41_1_a0,
     author = {Schouten, J. A. and van Kampen, E. R.},
     title = {Beitr\"age {Zur} {Theorie} der {Deformation}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {1--19},
     publisher = {mathdoc},
     volume = {41},
     number = {1},
     year = {1934},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/PMF_1934_41_1_a0/}
}