| 000 | 00452nam a2200169 4500 | ||
|---|---|---|---|
| 008 | 160616s1972 000 0 | ||
| 245 |
_aMathematical problems in wave propagation theory _bpart 3 |
||
| 100 | _aBabich, V.M.,Ed. | ||
| 260 | _aNew York | ||
| 260 | _bConsultants Bureau | ||
| 260 | _c1972 | ||
| 300 | _a139 | ||
| 440 | _aSeminars in mathematics ; volume 17 | ||
| 500 | _aBobc3:2 L0.1 L0.3 | ||
| 942 |
_cBK _2BK2381 |
||
| 080 | _a53:51 MAT | ||
| 999 |
_c2381 _d2381 |
||