@article{GDZPPN002057840,
title = {On Combinatorial Submanifolds of Differentiable Manifolds.},
journal = {Commentarii mathematici Helvetici},
volume = {35},
year = {1961},
pages = {103-111},
zbl = {0101.16101},
url = {http://dml.mathdoc.fr/item/GDZPPN002057840}
}
Hirsch, Morris W. On Combinatorial Submanifolds of Differentiable Manifolds.. Commentarii mathematici Helvetici, Tome 35 (1961) pp. 103-111. http://gdmltest.u-ga.fr/item/GDZPPN002057840/