TY - JOUR AU - Kalaj, David AU - Vujadinovic, Djordjije TI - The Gradient of a Solution of the Poisson Equation in the Unit Ball and Related Operators JO - Canadian mathematical bulletin PY - 2017 SP - 536 EP - 545 VL - 60 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2017-020-7/ DO - 10.4153/CMB-2017-020-7 ID - 10_4153_CMB_2017_020_7 ER -