00313nam a2200109Ia 4500008004100000020001800041082001500059100002000074245005500094260004200149300001200191190710s9999 xx 000 0 und d a81-265-1191-4 a515.7 K889 aKreyszig, Erwin 0aIntroductory functional analysis with applications aNew DelhibWiley India Pvt.Ltd.c2006 axiv,688