Columbia subject headings:
Kovalevskai︠a︡, S. V. (Sofʹi︠a︡ Vasilʹevna), 1850-1891.
Mathematicians--Soviet Union--Biography.
Harvard subject headings:
Kovalevskai︠a︡, S. V. (Sofʹi︠a︡ Vasilʹevna), 1850-1891.
Mathematicians--Russia--Biography.
Mathematicians--Soviet Union--Biography
Princeton subject headings:
Kovalevskai︠a︡, S. V. (Sofʹi︠a︡ Vasilʹevna), 1850-1891.
Mathematicians--Soviet Union--Biography.