@article{RRACEFN_1992_1992_1_a0,
     author = {Gasca, Mariano and  Pena, Juan Manuel},
     title = {Interpolaci\'on, eliminaci\'on y matrices totalmente positivas.},
     journal = {Revista de la Real Academia de Ciencias Exactas, F{\'\i}sicas y Naturales },
     pages = {175-194},
     publisher = {mathdoc},
     volume = {86},
     number = {2},
     year = {1992},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/RRACEFN_1992_1992_1_a0/}
}