@article{RSMUP_1981__64__175_0,
     author = {Loonstra, F.},
     title = {Special cases of subproducts},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {175--185},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {64},
     year = {1981},
     mrnumber = {636635},
     zbl = {0477.13004},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1981__64__175_0/}
}