@article{TM_2010_271_a21,
     author = {I. V. V'yugin and R. R. Gontsov},
     title = {Construction of a~system of linear differential equations from a~scalar equation},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {335--351},
     publisher = {mathdoc},
     volume = {271},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2010_271_a21/}
}