Serge Tabachnikov Kvant Selecta: Algebra and Analysis I

This volume and Kvant Selecta: Algebra and Analysis, II (MAWRLD15) are the first volumes of articles published from 1970 to 1990 in the Russian journal, Kvant. The influence of this magazine on mathematics and physics education in Russia is unmatched. This collection represents the Russian tradition of expository mathematical writing at its best. Articles selected for these two volumes are written by leading Russian mathematicians and expositors.
EN LA INTERNET LO ENCUENTRAS EN VARIAS PAGINAS AQUI TE INDICO ALGUNAS:
LINK1:
http://www.4shared.com/file/45554485/2f7dfce7/
LINK2:
http://www.mediafire.com/?6vczb10070fq3c3
LA PAGINA ORIGINAL RUSA CON LA REVISTA KVANT LO ENCUENTRAS EN EL WEBSITE RUSO:
http://kvant.mccme.ru/