@article{CMH_1961__36_139231,
     author = {Morris W. Hirsch},
     title = {On {Combinatorial} {Submanifolds} of {Differentiable} {Manifolds.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {103--111},
     publisher = {mathdoc},
     volume = {36},
     year = {1961},
     zbl = {0101.16101},
     url = {http://geodesic.mathdoc.fr/item/CMH_1961__36_139231/}
}