http://psk.blog.24heures.ch/archive/2015/01/23/la-russie-et-l-inde-accelere-le-programme-t-50-858014.html
Lire aussi http://nationalinterest.org/feature/the-russian-air-forces-super-weapon-beware-the-pak-fa-11742
et http://en.wikipedia.org/wiki/Sukhoi_PAK_FA
