@article{10_21136_MB_1995_126011,
     author = {Diker, Murat},
     title = {The counterparts of some cardinal functions in bitopological spaces. {I.}},
     journal = {Mathematica Bohemica},
     pages = {237--245},
     publisher = {mathdoc},
     volume = {120},
     number = {3},
     year = {1995},
     doi = {10.21136/MB.1995.126011},
     mrnumber = {1369683},
     zbl = {0844.54003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.1995.126011/}
}