000 00357nam a2200121Ia 4500
008 230721s9999||||xx |||||||||||||| ||und||
041 _aeng
082 _a515.7246
_bN94 GOL
100 _a Goldberg, Seymour
_91189
245 0 _a Unbounded linear operato
_b: theory and applications
_c Goldberg, Seymour
260 _b Dover Publications
_c1994
942 _cBK
999 _c17536
_d17536