@article{10_4153_CJM_1975_079_7,
     author = {Pierce, Stephen},
     title = {Linear {Operators} {Preserving} {The} {Real} {Symplectic} {Group}},
     journal = {Canadian journal of mathematics},
     pages = {715--724},
     year = {1975},
     volume = {27},
     number = {3},
     doi = {10.4153/CJM-1975-079-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-079-7/}
}