Marco Riccardi. The Definition of Topological Manifolds. Formalized Mathematics, 19(1):41-44, 2011. [doi]
@article{Riccardi11,
title = {The Definition of Topological Manifolds},
author = {Marco Riccardi},
year = {2011},
doi = {10.2478/v10037-011-0007-4},
url = {http://dx.doi.org/10.2478/v10037-011-0007-4},
researchr = {https://researchr.org/publication/Riccardi11},
cites = {0},
citedby = {0},
journal = {Formalized Mathematics},
volume = {19},
number = {1},
pages = {41-44},
}