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