@article{PHSC_2005__9_2_225_0,
     author = {Legris, Javier},
     title = {On the epistemological justification of {Hilbert's} metamathematics},
     journal = {Philosophia Scientiae},
     pages = {225--238},
     publisher = {\'Editions Kim\'e},
     volume = {9},
     number = {2},
     year = {2005},
     language = {en},
     url = {http://www.numdam.org/item/PHSC_2005__9_2_225_0/}
}