@article{UZERU_1991_1_a5,
     author = {L. S. Sahakian},
     title = {On the optimal control of vibrations of right-angled plate},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {40--44},
     year = {1991},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1991_1_a5/}
}