@article{SM_1996_187_7_a6,
     author = {A. M. Stokolos},
     title = {Differentiation of integrals by bases without the~density property},
     journal = {Sbornik. Mathematics},
     pages = {1061--1085},
     publisher = {mathdoc},
     volume = {187},
     number = {7},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1996_187_7_a6/}
}