Shapiro, Michael Max Planck Institute for Mathematics, Max Planck Society;
Vainshtein, Alek Max Planck Institute for Mathematics, Max Planck Society;
Eremenko, A., Gabrielov, A., Shapiro, M., & Vainshtein, A. (2005). Rational functions and real Schubert calculus. Proceedings of the American Mathematical Society, 134(4), 949-957.