TY - JOUR AU - Burkhard Sündermann TI - On Projection Constants of Polynomial Spaces on the Unit Ball in Several Variables. JO - Mathematische Zeitschrift PY - 1984 SP - 111 EP - 118 VL - 188 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1984__188_173524/ ID - MZ_1984__188_173524 ER -