@article{ASENS_1957_3_74_3_231_0,
     author = {Ionescu Tulcea, C. T.},
     title = {Sur certaines classes de fonctions de type positif},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {231--248},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 74},
     number = {3},
     year = {1957},
     doi = {10.24033/asens.1057},
     zbl = {0088.09102},
     mrnumber = {92105},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.1057/}
}