@article{KUIPM_1987_14_14_a8,
     author = {E. A. Begovatov and V. V. Kuindzhi and T. S. Saamova and S. A. Strezhnev},
     title = {Structure of the spectral image produced by an echelette grating},
     journal = {Issledovaniya po Prikladnoi Matematike i Informatike},
     pages = {66--80},
     year = {1987},
     volume = {14},
     number = {14},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUIPM_1987_14_14_a8/}
}