@article{MZ_1967__98_170731,
     author = {D.D. Stancu},
     title = {On the {Monocity} of the {Sequence} {Formed} by the {First} {Order} {Derivatives} of the {Bernstein} {Polynomials.}},
     journal = {Mathematische Zeitschrift},
     pages = {46--51},
     publisher = {mathdoc},
     volume = {98},
     year = {1967},
     zbl = {0169.07401},
     url = {http://geodesic.mathdoc.fr/item/MZ_1967__98_170731/}
}