@article{BUMI_2002_8_5B_1_a0,
     author = {Takeuchi, Jiro},
     title = {Sym\'etrisations ind\'ependantes du temps pour certains op\'erateurs du type de {Schr\"odinger.} {I}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {1--53},
     publisher = {mathdoc},
     volume = {Ser. 8, 5B},
     number = {1},
     year = {2002},
     zbl = {1121.35119},
     mrnumber = {1178678},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2002_8_5B_1_a0/}
}