@article{EXMATH_1993_1993_1_a7,
     author = {Okrasinski, W.},
     title = {Nota sobre algunas ecuaciones integrales de {Volterra.}},
     journal = {Extracta mathematicae},
     pages = {61-67},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1993_1993_1_a7/}
}