@article{AA_1992_4_2_a10,
     author = {V. M. Babich},
     title = {An {April} {Fools'} {Day} note. {Little-known} information about the {Bessel} equation},
     journal = {Algebra i analiz},
     pages = {235--237},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1992_4_2_a10/}
}