@article{AFST_1983_5_5_1_15_0,
     author = {Bivar-Weinholtz, Antonio de and Piraux, R\'emi},
     title = {Formule de {Trotter} pour l{\textquoteright}op\'erateur $- \Delta + q^+ - q^- + iq \,^{\prime }$},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {15--37},
     publisher = {Universit\'e Paul Sabatier},
     address = {Toulouse},
     volume = {5e s{\'e}rie, 5},
     number = {1},
     year = {1983},
     language = {fr},
     url = {http://archive.numdam.org/item/AFST_1983_5_5_1_15_0/}
}