@article{10_4064_cm141_2_3,
     author = {Volodymyr Mykhaylyuk and Anatolij Plichko},
     title = {On a problem of {Mazur} from {‶The} {Scottish} {Book''} concerning second partial derivatives},
     journal = {Colloquium Mathematicum},
     pages = {175--181},
     publisher = {mathdoc},
     volume = {141},
     number = {2},
     year = {2015},
     doi = {10.4064/cm141-2-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm141-2-3/}
}