@article{TRSPY_1985_172_a14,
     author = {L. D. Kudryavtsev},
     title = {On variational problems for quadratic weight functionals on infinite intervals},
     journal = {Informatics and Automation},
     pages = {202--214},
     publisher = {mathdoc},
     volume = {172},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1985_172_a14/}
}