000 00285nam a22000857a 4500
100 _aBurkill, T C
245 _aLebergur integral :
_bcambridge tracts in mathematics and philosophy physics noho /
_cby T C Burkill
260 _aCambridge :
_bCambridge university press,
_c1963.
942 _cBK
999 _c526543
_d526543