@article{RSMUP_1978__60__43_0,
     author = {Fig\`a-Talamanca, Alessandro},
     title = {Construction of positive definite functions},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {43--53},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {60},
     year = {1978},
     mrnumber = {555955},
     zbl = {0436.43005},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1978__60__43_0/}
}