116KiB, 600x800, Lobachevsky.jpg View SameGoogleiqdbSauceNAO Why don't you have a PhD in Mathematics yet? Anonymous Sat 04 Nov 08:12:13 2017 No.9274795 ViewReplyOriginalReport Quoted By: >>9274799 >>9275063 >>9275328 >>9275335 >>9275391 >>9276290 http://www.youtube.com/watch?v=gXlfXirQF3A