%0 Journal Article %A Qu, Yunyun %A Zeng, Jiwen %T Pell and Pell-Lucas numbers of the form $-2^a-3^b+5^c$ %J Czechoslovak Mathematical Journal %D 2020 %P 281-289 %V 70 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2019.0265-18/ %R 10.21136/CMJ.2019.0265-18 %G en %F 10_21136_CMJ_2019_0265_18