@misc{AM2_1981__22_136881,
     title = {Problems and {Solutions.}},
     journal = {Aequationes mathematicae},
     pages = {307--312},
     publisher = {mathdoc},
     volume = {22},
     year = {1981},
     url = {http://geodesic.mathdoc.fr/item/AM2_1981__22_136881/}
}