@article{UZERU_1990_3_a2,
     author = {R. G. Airapetyan and L. S. Kantardjian},
     title = {On the exact control of the mixed problem for the oscillating string equation},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {15--20},
     publisher = {mathdoc},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1990_3_a2/}
}