@article{MV_1964_16_2_a13,
     author = {A. Sade},
     title = {Plusieurs probl\`eemes non r\'esolus de la th\'eorie des               groupes},
     journal = {Matemati\v{c}ki vesnik},
     pages = {161 },
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {1964},
     url = {http://geodesic.mathdoc.fr/item/MV_1964_16_2_a13/}
}