TY - GEN A1 - Witkowski, Alfred PB - Element L2 - http://dlibra.pbs.edu.pl/Content/661 KW - power means KW - Schwab-Borchardt mean KW - Seiffert mean T1 - Interpolations of Schwab-Borchardt mean UR - http://dlibra.pbs.edu.pl/dlibra/publication/edition/661 ER -