@article{TRSPY_1997_214_a8,
     author = {Ya. Sh. Il'yasov},
     title = {The {Euler} functional for equations with the $p${-Laplacian} as a~function of a~spectral parameter},
     journal = {Informatics and Automation},
     pages = {182--193},
     publisher = {mathdoc},
     volume = {214},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1997_214_a8/}
}