TY - JOUR AU - A. I. Plotkin TI - Isometric operators in $L^p$-spaces of analytic and harmonic functions JO - Zapiski Nauchnykh Seminarov POMI PY - 1972 SP - 130 EP - 145 VL - 30 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1972_30_a8/ LA - ru ID - ZNSL_1972_30_a8 ER -