https://developer-community.sage.com/topic/16878-h%CF%83%C9%AF-

https://developer-community.sage.com/topic/16878-h%CF%83%C9%AF-%C6%88%CE%B1%C9%B3-i-%CA%82%CF%81%D2%BD%CE%B1%C6%99-%C6%9A%CF%83-%CE%B1-h%CE%B1%C9%AF%CE%B1%CE%B9%CE%B9%CE%B1%C9%B3-%C9%BE%D2%BD%CF%81%C9%BE%D2%BD%CA%82%D2%BD%C9%B3%C6%9A%CE%B1%C6%9A%CE%B9%CA%8B%D2%BD-%CF%9D%CE%B1%CA%82%C6%9A247q%CF%85%CE%B9%C6%88%C6%99-%C6%88%CF%83%C9%B3%C9%B3%C6%88%D2%BD%C6%88%C6%9A-a%C9%A0%D2%BD%C9%B3%C6%9A/