@article{SM_1982_41_2_a5,
     author = {S. M. Kozlov},
     title = {Asymptotics of fundamental solutions of second-order divergence differential equations},
     journal = {Sbornik. Mathematics},
     pages = {249--267},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {1982},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1982_41_2_a5/}
}