@article{MAN_1975__215_162699,
     author = {Chao-Chu Liang},
     title = {A {Concordance} {Classification} of p. 1. {Homeomorphisms} of {Real} {Projective} {Space.}},
     journal = {Mathematische Annalen},
     pages = {47--58},
     publisher = {mathdoc},
     volume = {215},
     year = {1975},
     zbl = {0285.57012},
     url = {http://geodesic.mathdoc.fr/item/MAN_1975__215_162699/}
}