@article{SM_2000_191_3_a7,
     author = {N. A. Shananin},
     title = {Unique continuation of solutions of differential equations with weighted derivatives},
     journal = {Sbornik. Mathematics},
     pages = {431--458},
     publisher = {mathdoc},
     volume = {191},
     number = {3},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2000_191_3_a7/}
}