MARC
| LEADER | 00000nam a2200000Ia 4500 | ||
|---|---|---|---|
| 100 | |a FREDRICHS K O | ||
| 250 | |||
| 020 | |||
| 650 | |||
| 245 | |a PERTURBATION OF SPECTRA IN HELBERT SPACE | ||
| 260 | |a - |b - |c 1965 | ||
| 082 | |a 535.33 | ||
| 300 | |a xiii 178 | ||
| 952 | |0 0 |1 0 |4 0 |6 535_330000000000000 |7 0 |9 712 |a 00000013 |b 00000013 |d 1995-03-20 |g 36.00 |l 0 |o 535.33 |p 1151 |r 2017-05-16 00:00:00 |w 2017-05-16 |y RB | ||
| 999 | |c 257 |d 257 | ||