@article{JCA_2014_21_1_JCA_2014_21_1_a12,
     author = {K. Shashiashvili and M. Shashiashvili},
     title = {From the {Uniform} {Approximation} of a {Solution} of the {PDE} to the {L\protect\textsuperscript{2}-Approximation} of the {Gradient} of the {Solution}},
     journal = {Journal of convex analysis},
     pages = {237--252},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {2014},
     url = {http://geodesic.mathdoc.fr/item/JCA_2014_21_1_JCA_2014_21_1_a12/}
}