@article{CLTM_1988_1988_1_a12,
     author = {Extremiana, J. I. and Hern\'andez, L. J. and Rivas, M. T.},
     title = {Espacios no compactos propios: {Una} categor{\'\i}a para el estudio de homotop{\'\i}as propias.},
     journal = {Collectanea mathematica},
     pages = {149-179},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1988_1988_1_a12/}
}