@article{SPHM_1993___2_A3_0,
     author = {Longo, Giuseppe},
     title = {Appendix: from the {Journal} of {Symbolic} {Logic}},
     journal = {S\'eminaire de Philosophie et Math\'ematiques},
     eid = {3},
     pages = {29--33},
     publisher = {IREM Paris-Nord},
     number = {2},
     year = {1993},
     language = {en},
     url = {http://www.numdam.org/item/SPHM_1993___2_A3_0/}
}