@article{10_21136_CMJ_1973_101200,
     author = {Mukhopadhyay, S. N.},
     title = {On {Denjoy} property and on approximate partial derivatives},
     journal = {Czechoslovak Mathematical Journal},
     pages = {567--573},
     publisher = {mathdoc},
     volume = {23},
     number = {4},
     year = {1973},
     doi = {10.21136/CMJ.1973.101200},
     mrnumber = {0325883},
     zbl = {0275.26017},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1973.101200/}
}