00416nam a2200121Ia 4500008004100000020001800041040003800059100005300097245008700150250000800237260003200245300001700277220101s9999    xx            000 0 und d  a9783319741949  cJayakar Knowledge Resource Centre  aHomological and combinatorial methods in algebra 0aHomological and combinatorial methods in algebra: SAA 4, ardabil, Iran August 2016  a1st  bSpringeraSwitzerlandc2018  aviii, 149 p.