@article{MZM_2016_100_6_a2,
     author = {A. A. Vladimirov},
     title = {On the {Problem} of {Oscillation} {Properties} of {Positive} {Differential} {Operators} with {Singular} {Coefficients}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {800--806},
     publisher = {mathdoc},
     volume = {100},
     number = {6},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2016_100_6_a2/}
}