Used commands:
pkfix-helper needed.ps needed.pkfix-helper.ps \
  -f "FA=cmr*@*" -f "Fs=cmsl*@*" -f "Fa=cmsl*@*" -f "FG=cmsy*@*" \
  -f "Fc=cmmi10@*" -f "Ff=cmsy*@*" -f "FE=cmr*@*" -f "Ft=cmr*@*" \
  -f "FJ=cmr12@*" -f "FH=cmr*@*"
pkfix needed.pkfix-helper.ps needed.fixed.ps
ps2pdf -sPAPERSIZE=a4 needed.fixed.ps