| 000 | 01008n a2200301#a 4500 | ||
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| 001 | 15630 | ||
| 005 | 20240404163443.0 | ||
| 008 | 880729s1980 ne b 001 0 eng|| | ||
| 010 | _a81131608 | ||
| 020 | _a9061962072 (pbk.) | ||
| 035 | _aocm07436871 | ||
| 040 |
_aDLC _cDLC |
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| 049 | _aP5AA | ||
| 082 | 0 | 0 |
_a511.3 _bB126c |
| 090 | _alf2 | ||
| 100 | 1 |
_aBack, R. J. R. _933393 |
|
| 245 | 1 | 0 |
_aCorrectness preserving program refinements: _bproof theory and applications/ _cR. J. R. Back. |
| 260 |
_aAmsterdam ; _bMathematisch centrum, _c1980. |
||
| 300 |
_a118 p. ; _c24 cm. |
||
| 500 | _aIncludes indexes. | ||
| 502 | _aRevision of thesis (doctoral)--University of Helsinki, 1978. | ||
| 504 | _aBibliography: p. 109-112. | ||
| 650 | 0 | 4 |
_aElectronic digital computers- _xProgramming. _937585 |
| 697 |
_aLógica e Fundamentos 02- _xLógica Matemática e Funções Recursivas. _923728 |
||
| 942 |
_2impa _cBK |
||
| 999 |
_c16298 _d16298 |
||
| 490 | 0 |
_aMathematical Centre tracts; _v131. _944248 |
|