TY - GEN AU - Arscott, F. M TI - Periodic differential equations: an introduction to Mathieu, lame and allied functions U1 - 517.58 PY - 1964/// CY - Oxford [etc.] PB - Pergamon Press KW - Ecuatii diferentiale KW - Ecuatii diferentiale periodice KW - Functii speciale KW - Functii Mathieu KW - Functii Bessel KW - Functii eliptice N1 - Contine apendice, bibliogr. si index ER -