TY - GEN A1 - Marinescu, Dan Ştefan A1 - Monea, Mihai PB - Wydawnictwo Uniwersytetu Śląskiego PB - De Gruyter Open L1 - http://www.sbc.org.pl/Content/323502/PDF/14_Marinescu-Monea_vol32.pdf L2 - http://www.sbc.org.pl/Content/323502 KW - convex functions KW - continuous functions KW - differentiable functions T1 - An Extension of a Ger’s Result UR - http://www.sbc.org.pl/dlibra/publication/edition/323502 ER -