Bak A, Hazrat R, Vavilov N. Localization-completion strikes again: Relative K-1 is nilpotent by abelian. Journal of Pure and Applied Algebra. 2009;213(6):1075-1085.
Bak A, Morimoto M. Equivariant Intersection Theory and Surgery Theory for Manifolds with Middle Dimensional Singular Sets. Journal of K-Theory. 2008;2(3):507-600.
Bak A, Tang G. Solution to the presentation problem for powers of the augmentation ideal of torsion free and torsion abelian groups. Advances in Mathematics. 2004;189(1):1-37.
Bak A, Morimoto M. K-Theoretic Groups with Positioning Map and Equivariant Surgery .3. Proceedings of the Japan Academy. Series A = Mathematical sciences. 1994;70(1):6-11.
Bak A. Subgroups of the General Linear Group Normalized by Relative Elementary Groups. Lecture notes in mathematics. A collection of informal reports and seminars. 1982;967:1-22.
Bak A. On the Congruence Subgroup Problem and the Metaplectic Problem for Classical-Groups of Rank >1. Comptes Rendues de l' Académie des Sciences. Série 1, Science Mathématique. 1981;292(5):307-310.
Bak A, Rehmann U. Congruence Subgroup Problem for SLn >= 2 over a Skew Field. Comptes Rendues Hebdomadaires de Séances de l'Académie des Sciences. Série A. 1979;289(3):151.