@article{AIF_1989__39_3_663_0,
     author = {Hilgert, Joachim},
     title = {A note on {Howe's} oscillator semigroup},
     journal = {Annales de l'Institut Fourier},
     pages = {663--688},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {39},
     number = {3},
     year = {1989},
     doi = {10.5802/aif.1182},
     mrnumber = {91b:22008},
     zbl = {0674.47029},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/aif.1182/}
}