@article{CLTM_1975_1975_1_a16,
     author = {C\'ordoba, Antonio},
     title = {Bounded variation and differentiability of functions.},
     journal = {Collectanea mathematica},
     pages = {227-238},
     publisher = {mathdoc},
     volume = {26},
     number = {3},
     year = {1975},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1975_1975_1_a16/}
}