??? ??????? ?????????? ?????????? ??? pglsa ??????? , ????????? ??????? ?? ???????????????? ??????? ?????? ??? ???????? ???? ??? ??????? ?????? ??? pglsa ??????? ??? ????????? pg????? : ???????????????????? ??????? ?????????? ????????????? pglisa ????? ?????????????????? ???????????? ??? ??????????????? ??????? ??????? ??? ?