@article{MSH_1972__41__27_0,
     author = {Heuz\'e, G.},
     title = {Conditions n\'ecessaires d{\textquoteright}existence des $(k, r, s,)$-plans},
     journal = {Math\'ematiques et sciences humaines},
     pages = {27--30},
     year = {1972},
     publisher = {Ecole Pratique des hautes \'etudes, Centre de math\'ematique sociale et de statistique},
     volume = {41},
     mrnumber = {384573},
     zbl = {0259.05019},
     language = {fr},
     url = {https://www.numdam.org/item/MSH_1972__41__27_0/}
}