%0 Generic %A Put, Marius van der, %E Singer, Michael F., %@ 3540632433 (pbk. : alk. paper) %T Galois theory of difference equations %U http://SK8ES4MC2L.search.serialssolutions.com/?sid=sersol&SS_jc=TC0000323419&title=Galois%20theory%20of%20difference%20equations