@misc{10_4153_CMB_1968_077_6,
     title = {On {Zeros} of {Derivatives} of {Polynomials}},
     journal = {Canadian mathematical bulletin},
     pages = {611--611},
     year = {1968},
     volume = {11},
     number = {4},
     doi = {10.4153/CMB-1968-077-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1968-077-6/}
}