As-salaamu 'alaikum wa-rahmatullaahi wa-barakaatuhu I pray that this reach you in good strength of eemaan and best of condition. You can download 'Sharh Usoolu Thalatha bil adillah" of Shaykh Muhammad Amman bin 'Alee Jamee from the follwing link, inshaAllaah. http://sahab.net/home/dir/books/196.zip
Aboo 'Ubaydah Ahmad Nishwan ibn 'Alee al-Maraduwee