@article{RRACEFN_1981_1981_1_a44,
     author = {Romero Romero, Juan Luis},
     title = {Sobre los teoremas de {Lyapunov} y de {Radon-Nikodym.}},
     journal = {Revista de la Real Academia de Ciencias Exactas, F{\'\i}sicas y Naturales},
     pages = {1251-1267},
     year = {1981},
     volume = {75},
     number = {5},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/RRACEFN_1981_1981_1_a44/}
}