@article{MMO_1966_15_a2,
     author = {Z. I. Leǐbenzon},
     title = {The inverse problem of the spectral analysis of ordinary differential operators of higher orders},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {70--144},
     publisher = {mathdoc},
     volume = {15},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1966_15_a2/}
}