1 “... for the study of homotopy, namely the homo­ topic category (IV). This category is, in fact, - according...”

2 “... to the homo­ logical methods and contains more general results, e. g. , the Lefschetz Fixed Point Theorem...”

3 “... homotopy invariants in terms the homotopy Lie algebra (the translation of the Whitehead product to the homo...”

4 “... is k, then the homo­ topy index of the invariant set {p} is Ik - the homotopy type of the pointed k...”