Decompositions of locally compact contraction groups, series and extensions
H. Glöckner, G.A. Willis, Journal of Algebra 570 (2021) 164–214.

The constructive membership problem for discrete two-generator subgroups of SL(2,R)
M. Kirschmer, M.G. Rüther, Journal of Algebra 480 (2017) 519–548.

Computing residue class rings and Picard groups of orders
J. Klüners, S. Pauli, Journal of Algebra 292 (2005) 47–64.