@article{10_4153_CJM_1986_053_0,
     author = {Marsden, M. J.},
     title = {A {Voronovskaya} {Theorem} for {Variation-Diminishing} {Spline} {Approximation}},
     journal = {Canadian journal of mathematics},
     pages = {1081--1093},
     year = {1986},
     volume = {38},
     number = {5},
     doi = {10.4153/CJM-1986-053-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-053-0/}
}