%0 Journal Article %A Andrew N. W. Hone %A Juan Luis Varona %T Continued fractions for strong Engel series and Lùˆroth series with signs %J Acta Arithmetica %D 2021 %P 55-75 %V 199 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa200529-26-11/ %R 10.4064/aa200529-26-11 %G en %F 10_4064_aa200529_26_11