@article{AIHPA_1982__37_1_29_0,
     author = {Antoine, J.-P. and Mathot, F.},
     title = {Regular operators on partial inner product spaces},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {29--50},
     publisher = {Gauthier-Villars},
     volume = {37},
     number = {1},
     year = {1982},
     mrnumber = {667881},
     zbl = {0521.47019},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1982__37_1_29_0/}
}