1. S. Barannikov. Quantum periods — I. Semi-infinite variations of Hodge structures. Preprint, alg-geom/0006193.
2. V. Batyrev, I. Ciocan-Fontanine, B. Kim, D. van Straten. Conifold Transitions and Mirror Symmetry for Calabi- Yau Complete Intersections in Grassmannians. alg-geom/9710022.
3. A. Bertram. Another way to enumerate rational curves with torus actions. arXiv: math.AG/9905159.
4. R. Bott, C. Taubes. On the rigidity theorems of Witten. J. Amer. Math. Soc. 2 (1989), 137 – 186.
5. V. M. Bukhshtaber, A. V. Shokurov. The Landweber — Novikov algebra and formal vector fields on the line. Funct. Anal. Appl. 12, No. 3 (1978), 1 – 11.