Andrienko, V. A., Андриенко, В. А., & Андриенко, В. А. (1999). On the almost-everywhere convergence of the Riesz means of double orthogonal series. Institute of Mathematics, NAS of Ukraine.
Chicago Style (17th ed.) CitationAndrienko, V. A., В. А Андриенко, and В. А Андриенко. On the Almost-everywhere Convergence of the Riesz Means of Double Orthogonal Series. Institute of Mathematics, NAS of Ukraine, 1999.
MLA (8th ed.) CitationAndrienko, V. A., et al. On the Almost-everywhere Convergence of the Riesz Means of Double Orthogonal Series. Institute of Mathematics, NAS of Ukraine, 1999.
Warning: These citations may not always be 100% accurate.