@article{IM2_2000_64_5_a2,
     author = {V. A. Krasnov},
     title = {Analogues of the {Harnack{\textendash}Thom} inequality for a~real algebraic surface},
     journal = {Izvestiya. Mathematics},
     pages = {915--937},
     year = {2000},
     volume = {64},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2000_64_5_a2/}
}