@article{TRSPY_2005_248_a11,
     author = {V. A. Il'in},
     title = {Optimization of the {Boundary} {Control} of an {Elastic} {Force} at {One} {Endpoint} of a {String} with the {Other} {Endpoint} {Fixed}},
     journal = {Informatics and Automation},
     pages = {117--123},
     publisher = {mathdoc},
     volume = {248},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2005_248_a11/}
}