TY - JOUR AU - E. O. Sivkova TI - Best recovery of the Laplace operator of a~function and sharp inequalities JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2013 SP - 175 EP - 185 VL - 18 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2013_18_5_a9/ LA - ru ID - FPM_2013_18_5_a9 ER -