I have written some textbooks in Physics and Mathematics. They are free for downloading in PDF format http://www.geocities.com/r-sharipov/r4-b2.htm http://www.geocities.com/r-sharipov/r4-b3.htm http://www.geocities.com/r-sharipov/r4-b5.htm http://www.geocities.com/r-sharipov/r4-b6.htm See also: http://www.geocities.com/r-sharipov/r4.htm#books http://www.geocities.com/r-sharipov/r4-b.htm You are wellcome to post comments to my guestbook here or send your comment to my e-mail R_Sharipov@ic.bashedu.ru
