@article{AIHPA_1981__35_4_287_0,
     author = {Hadjisavvas, N.},
     title = {Distance between states and statistical inference in quantum theory},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {287--309},
     publisher = {Gauthier-Villars},
     volume = {35},
     number = {4},
     year = {1981},
     mrnumber = {650134},
     zbl = {0485.46037},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1981__35_4_287_0/}
}