000 00309 a2200121 4500
082 _a510
_bSy68
245 1 _aINSTITUTO NAZIONALE DI ALTA MATHEMATICA
260 _aLondon
_bDistributed By Academic Press
_c
300 _av.
650 _aMathematics -- Congresses
964 _gCIRC
997 _aA48904 v. 11 C
999 _c462318
_d462318