@article{MZM_1996_60_1_a12,
     author = {R. O. Hryniv and T. A. Mel'nik},
     title = {On the singular {Rayleigh} functional},
     journal = {Matemati\v{c}eskie zametki},
     pages = {130--134},
     publisher = {mathdoc},
     volume = {60},
     number = {1},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1996_60_1_a12/}
}