On the homotopy of the complement to plane algebraic curves. A. Libgober — 1986 Journal für die reine und angewandte Mathematik
Theta characteristics on singular curves, spin structures and Rohlin theorem A. Libgober — 1988 Annales scientifiques de l'École Normale Supérieure
On the zeta function of monodromy of a polynomial map A. Libgober; S. Sperber — 1995 Compositio Mathematica
Correction to: "An obstruction to smoothing of Gorenstein surface singularities". A. Libgober; S. Yau — 1992 Commentarii mathematici Helvetici