Babenko, K. I.
Twelve papers on approximation and integrals - American Mathematical Society Providence 1965 - 268 - American Mathematical Society translations ; ser. 02, 00044 .
B J6.1-J6.72
51(06) AME
Twelve papers on approximation and integrals - American Mathematical Society Providence 1965 - 268 - American Mathematical Society translations ; ser. 02, 00044 .
B J6.1-J6.72
51(06) AME