@article{AM2_1990__39_2-3_137337,
     author = {M. Crnjac and H.I. Miller and B. Guljas},
     title = {On a question of {H.} {Kraljevic.}},
     journal = {Aequationes mathematicae},
     pages = {55--67},
     publisher = {mathdoc},
     volume = {39},
     number = {2-3},
     year = {1990},
     zbl = {0693.28002},
     url = {http://geodesic.mathdoc.fr/item/AM2_1990__39_2-3_137337/}
}