@article{TSG_2008-2009__27__11_0,
     author = {Paiva, J.C. \'Alvarez and Balacheff, Florent},
     title = {Optimalit\'e systolique infinit\'esimale de l{\textquoteright}oscillateur harmonique},
     journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie},
     pages = {11--16},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {27},
     year = {2008-2009},
     doi = {10.5802/tsg.268},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.5802/tsg.268/}
}