Secular variations of brightness of periodical comets as a result of desintegration of their gaseous-dusty nuclei and influence of solar activity

1Churyumov, KI, Filonenko, VS, Chubko, LS
1Astronomical Observatory of Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
Kinemat. fiz. nebesnyh tel (Online) 2008, 24(6):463-468
Language: Ukrainian
Keywords: brightness of comets, gaseous-dusty nuclei, periodical comets, solar activity