@article{ZNSL_1972_30_a8,
     author = {A. I. Plotkin},
     title = {Isometric operators in $L^p$-spaces of analytic and harmonic functions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {130--145},
     publisher = {mathdoc},
     volume = {30},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1972_30_a8/}
}