@article{10_21136_CMJ_1987_102140,
     author = {Chandran, V. R.},
     title = {On a problem of {B.} {Zelinka}},
     journal = {Czechoslovak Mathematical Journal},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {1987},
     doi = {10.21136/CMJ.1987.102140},
     mrnumber = {875133},
     zbl = {0625.20049},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1987.102140/}
}