000 00492nam a2200169 a 4500
003 AR-LpUBP
005 20231113184521.0
007 ta
008 111215s1960 fi g 000 0 eng d
040 _aAR-LpUBP
_bspa
_cAR-LpUBP
100 1 _aHaahti, H
_959812
245 1 0 _aThe Transformations which Preserve the Harmonic Functions
260 _aHelsinki :
_bSuomalainen Tiedeakatemia,
_c1960.
300 _a12 p. ;
_c20 cm.
490 0 _aAnnales Academiae Scientiarum Fennicae
942 _aBK
999 _c221657
_d221657