On nonintegrality of functions of some integral and partially integral operators. Korotkov, V.B. — 2000 Sibirskij Matematicheskij Zhurnal
On the functions of one selfadjoint integral operator. Korotkov, V.B. — 2008 Sibirskij Matematicheskij Zhurnal
One criterion for nuclearity of linear operators. Korotkov, V.B. — 2005 Sibirskij Matematicheskij Zhurnal
Reduction of operator families to integral form. Korotkov, V.B. — 2006 Sibirskij Matematicheskij Zhurnal
Integral operators and absolute convergence systems. Korotkov, V.B. — 2002 Sibirskij Matematicheskij Zhurnal