. . "A." . . "Ivanchenko, A. A. (Andreĭ Andreevich)" . "A.A. Ivančenko"@nl-NL . "a." . "А." . . "A. A." . "A. A. IVANCHENKO" . "А. А. Иванченко" . "a." . "Ivanchenko, A. A. (Anatoliĭ Antonovich)" . "Ivančenko, A.A. (Anatolij Antonovič)" . "A." . "Andreĭ Andreevich Ivanchenko" . "A. A. Ivanchenko" . "IVANCHENKO" . "Anatolij" . "Anatolij Antonovič Ivančenko"@pl-PL . "Antonovich" . "Anatoliĭ" . "Andreevich" . "Antonovič" . "Anatoliĭ Antonovich Ivanchenko" . "А." . . "A. A. Ivančenko" . . "Ivančenko" . "A. A. Ivančenko"@de-DE . "Ivanchenko" . . "A.A." . "Иванченко" . "A.A. Ivanchenko" . "a. a. Ivanchenko" . "Andreĭ" .