@article{ZNSL_1981_110_a3,
     author = {V. K. Kalantarov},
     title = {Theorems of {Phragmen{\textendash}Lindel\"of} type for two non-linear problems of mecanics},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {53--56},
     year = {1981},
     volume = {110},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1981_110_a3/}
}