TY - JOUR AU - Alan Hopenwasser TI - Isometries on Irreducible Triangular Operator Algebras. JO - Mathematica Scandinavica PY - 1972 SP - 136 EP - 140 VL - 30 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1972__30_166228/ ID - MS2_1972__30_166228 ER -