@article{PHSC_1996__1_4_1_0,
     author = {Walter, Scott A.},
     title = {Henri {Poincar\'e's} student notebooks, 1870-1878},
     journal = {Philosophia Scientiae},
     pages = {1--17},
     publisher = {\'Editions Kim\'e},
     volume = {1},
     number = {4},
     year = {1996},
     language = {en},
     url = {http://archive.numdam.org/item/PHSC_1996__1_4_1_0/}
}