. . . "Yong" . "于" . "Yung Yü" . . "常江" . "涌" . . "Yong Yu"@fr-FR . "Yu, Yong, professor" . "于涌" . "Yu yong" . "于涌" . . "涌 于" . "Yu" . "Yü" . "Yung" . "Yu yong" . "professor Yong Yu" . "常江" .