@article{DE_2006_42_4_a16,
     author = {I. K. Lifanov},
     title = {On the study of a characteristic integral equation of the first kind with a logarithmic singularity},
     journal = {Differencialʹnye uravneni\^a},
     pages = {556--559},
     publisher = {mathdoc},
     volume = {42},
     number = {4},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2006_42_4_a16/}
}