TY - JOUR A1 - Martin, Bernd A1 - Aleksandrov, Aleksandr T1 - Gauss-Manin connection associated with bouquets of curves Y1 - 2003 ER - TY - JOUR A1 - Martin, Bernd A1 - Aleksandrov, Aleksandr T1 - Derivations and deformations of artinian algebras Y1 - 1992 ER - TY - JOUR A1 - Martin, Bernd A1 - Aleksandrov, Aleksandr T1 - Gauss-Manin connection for bouquets of curves Y1 - 2002 ER -