ƚ@ U .  @&M@ & MathType 4)Times New Romanww 0wf- 2 1k7lTimes New Romanww 0wf- 2 RRlPGTimes New Romanww 0wf- 2 jjlP 8Times New Romanww 0wf-2 P,...,P&DMathTypeUU8DSMT5WinAllBasicCodePagesTimes New RomanSymbolCourier NewMT Extra!oED/APG_APAPAE%B_AC_AE*_HA@AHA*_D_E_E_A  P jR 1 ,...,P jR k & "Systemf !-