@article{AA_2011_23_2_a0,
     author = {L. Aermark and A. Laptev},
     title = {Hardy's inequality for a~magnetic {Grushin} operator with {Aharonov--Bohm} type magnetic field},
     journal = {Algebra i analiz},
     pages = {1--8},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2011_23_2_a0/}
}