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@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/} }
Schouten, J. A.; van Kampen, E. R. Beiträge Zur Theorie der Deformation. Prace Matematyczno-Fizyczne, Tome 41 (1934) no. 1, pp. 1-19. http://geodesic.mathdoc.fr/item/PMF_1934_41_1_a0/