@article{GMJ_1998__5_2_47946,
     author = {Lepsveridze, G.},
     title = {To the problem of a strong differentiability of integrals along different directions.},
     journal = {Georgian mathematical journal},
     pages = {157--176},
     year = {1998},
     volume = {5},
     number = {2},
     zbl = {0895.28003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/GMJ_1998__5_2_47946/}
}