%0 Journal Article %A Garg, Asha %T Heterogeneous questionnaires and Rényi's entropy %J RAIRO. Operations research %D 1981 %P 389-395 %V 15 %N 4 %I EDP-Sciences %U https://www.numdam.org/item/RO_1981__15_4_389_0/ %G en %F RO_1981__15_4_389_0