Columbia subject headings:
Gabaĭ, Ilʹi︠a︡ I︠A︡nkelevich, 1935-1973.
Harvard subject headings:
Gabaĭ, Ilʹi͡a I͡Ankelevich, 1935-1973.
Princeton subject headings:
Gabaĭ, Ilʹi︠a︡ I︠A︡nkelevich, 1935-1973.