@article{STO_1980_1980_1_a7,
     author = {Borelli Forti, Constanza and Feny\"o, Istv\'an},
     title = {Ecuaciones en diferencias con incrementos variables.},
     journal = {Stochastica},
     pages = {93-101},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1980},
     url = {http://geodesic.mathdoc.fr/item/STO_1980_1980_1_a7/}
}