Kogan, A. M., Коган, А. М., & Коган, А. М. (1999). On the best approximation of classes $W^r H^{ω}$ by algebraic polynomials in the space $L_1$. Institute of Mathematics, NAS of Ukraine.
Chicago-Zitierstil (17. Ausg.)Kogan, A. M., А. М Коган, und А. М Коган. On the Best Approximation of Classes $W^r H^{ω}$ by Algebraic Polynomials in the Space $L_1$. Institute of Mathematics, NAS of Ukraine, 1999.
MLA-Zitierstil (8. Ausg.)Kogan, A. M., et al. On the Best Approximation of Classes $W^r H^{ω}$ by Algebraic Polynomials in the Space $L_1$. Institute of Mathematics, NAS of Ukraine, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.