@article{10_4064_sm_105_1_25_36, author = {A. Katavolos}, title = {The decomposability of operators relative to two subspaces}, journal = {Studia Mathematica}, pages = {25--36}, publisher = {mathdoc}, volume = {105}, number = {1}, year = {1993}, doi = {10.4064/sm-105-1-25-36}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-105-1-25-36/} }