@article{10_4153_CJM_1975_016_7,
     author = {Schneider, Robert},
     title = {Unit {Preserving} {Isometries} are {Homomorphisms} in {Certain} {Lp}},
     journal = {Canadian journal of mathematics},
     pages = {133--137},
     year = {1975},
     volume = {27},
     number = {1},
     doi = {10.4153/CJM-1975-016-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-016-7/}
}