@article{CRMATH_2004__338_11_849_0,
     author = {Graczyk, Piotr and Nowak, Adam},
     title = {A composition formula for squares of {Hermite} polynomials and its generalizations},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {849--852},
     publisher = {Elsevier},
     volume = {338},
     number = {11},
     year = {2004},
     doi = {10.1016/j.crma.2003.12.024},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2003.12.024/}
}