@article{10_21136_CMJ_1986_102123,
     author = {Loganathan, M.},
     title = {On tolerance relations},
     journal = {Czechoslovak Mathematical Journal},
     pages = {662--667},
     publisher = {mathdoc},
     volume = {36},
     number = {4},
     year = {1986},
     doi = {10.21136/CMJ.1986.102123},
     mrnumber = {863194},
     zbl = {0611.20038},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102123/}
}