@article{MZM_1993_53_3_a8,
     author = {M. V. Novitskii},
     title = {An analogue of an inequality of {Kolmogorov--Markov} type for ordinary differential operators},
     journal = {Matemati\v{c}eskie zametki},
     pages = {80--91},
     publisher = {mathdoc},
     volume = {53},
     number = {3},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1993_53_3_a8/}
}