@article{RM_1989_44_2_a9,
     author = {Nguy\^en Thị Thi\^eu Hoa},
     title = {Rolle's theorem for certain differential operators and applications},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {287--288},
     publisher = {mathdoc},
     volume = {44},
     number = {2},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1989_44_2_a9/}
}