Bakan, A. G. 2009. “On the Completeness of Algebraic Polynomials in the Spaces $L_p (ℝ, dμ)$”.
Ukrains’kyi Matematychnyi Zhurnal
61 (3): 291-301.
https://umj.imath.kiev.ua/index.php/umj/article/view/3020
.