Detailed Notes on ???? ??????? ???????? ????? ??????? ??????? ?? ????? ?????? ???????? ??? ???? ????????????? ??? ??? ????? ???????????? ????? ????????????? ????? ????? ????? ?????? ???? ??? ??????? ??? ??????.??? ????? ?? ???????? ?? ?????? ??? ????? ?? ????? ??? ??????? ?? ?????? ????????. ????? ??? ??? ??????? ???? ??????.????? ?? ????? ????? ??