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