@article{CMFD_2015_57_a4,
     author = {I. V. Orlov and I. V. Baran},
     title = {Introduction to sublinear analysis~--~2: symmetric case},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {108--161},
     publisher = {mathdoc},
     volume = {57},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2015_57_a4/}
}