@article{JSFU_2009_2_4_a1,
     author = {Nasriddin M. Zhabborov and Kholmatzhon Kh. Imomnazarov},
     title = {Theorem on {a~Spherical} {Mean} for {Inhomogeneous} {Poroelastic} {System}},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {394--400},
     year = {2009},
     volume = {2},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2009_2_4_a1/}
}