TY - BOOK AU - Lanstra, H. W. AU - Tijdeman, R. ; jt. ed. TI - Computational methods in number theory; revised written versions of the lectures presented during the study week "Number theory & Computers" at the Mathematical Centre, Sept. 1-5, 1980 T2 - Mathematical centre tracts U1 - 512.7 PY - 1982/// CY - Amsterdam PB - Mathematisch Centrum ER -