@article{FPM_2013_18_5_a9,
     author = {E. O. Sivkova},
     title = {Best recovery of the {Laplace} operator of a~function and sharp inequalities},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {175--185},
     publisher = {mathdoc},
     volume = {18},
     number = {5},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2013_18_5_a9/}
}