%0 Journal Article %A V. Kordula %T Vasilescu-Martinelli formula for operators in Banach spaces %J Studia Mathematica %D 1995 %P 127-139 %V 113 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-113-2-127-139/ %R 10.4064/sm-113-2-127-139 %G en %F 10_4064_sm_113_2_127_139