@article{DAN_1987_292_5_a12,
     author = {P. N. Shebalin},
     title = {Compilation of earthquake catalogs as a task of clustering analysis with learning},
     journal = {Doklady Akademii Nauk},
     pages = {1083--1086},
     publisher = {mathdoc},
     volume = {292},
     number = {5},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_292_5_a12/}
}