. . . . . . . . "Vladimir Poyarkov" . . . . . . . . . . . . . . "Vladimir Pikalov" . . "1924" . "V.K. Pikalov" . . . . . "Vladimir Pikalov" . . . . . . . . . . . . . . "1941" . . . . . . "2003" . . . . . . . . . . . . . . . "(1941-1991)" . "1992" . . "(1991-1992)" . .