@article{PHSC_1997__2_3_73_0,
     author = {Volkert, Klaus},
     title = {Wie und warum wurde {Poincar\'e} zum {Topologen?}},
     journal = {Philosophia Scientiae},
     pages = {73--102},
     publisher = {\'Editions Kim\'e},
     volume = {2},
     number = {3},
     year = {1997},
     language = {de},
     url = {http://www.numdam.org/item/PHSC_1997__2_3_73_0/}
}