Romanyuk, A., & Романюк, А. (1992). The best trigonometric and bilinear approximations of the functions of many variables from the classes $B_{p,\theta}^r$. I. Institute of Mathematics, NAS of Ukraine.
Chicago-Zitierstil (17. Ausg.)Romanyuk, A.S, und А.С Романюк. The Best Trigonometric and Bilinear Approximations of the Functions of Many Variables from the Classes $B_{p,\theta}^r$. I. Institute of Mathematics, NAS of Ukraine, 1992.
MLA-Zitierstil (8. Ausg.)Romanyuk, A.S, und А.С Романюк. The Best Trigonometric and Bilinear Approximations of the Functions of Many Variables from the Classes $B_{p,\theta}^r$. I. Institute of Mathematics, NAS of Ukraine, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.