Examples of liftings of surfaces and a problem in de Rham cohomology

Lang, William E.

Compositio Mathematica, Volume 97 (1995) p. 157-160

Remarks on $p$-torsion of algebraic surfaces

Lang, William E.

Compositio Mathematica, Volume 52 (1984) p. 197-202

Two theorems on de Rham cohomology

Lang, William E.

Compositio Mathematica, Volume 40 (1980) p. 417-423

Quasi-elliptic surfaces in characteristic three

Lang, William E.

Annales scientifiques de l'École Normale Supérieure, Volume 12 (1979) p. 473-500