000 00307nam a2200097Ia 4500
008 240404s9999 xx 000 0 und d
100 _aYakubov, Sasun
245 0 _aCompleteness of root functions of regular differential operators
_cSasun Yakubov
260 _aHarlow, Essex
_bLongman
_c1994
942 _aIMAR
_cCART
999 _c32719
_d32719