1. Handbook of Mathematical Functions;Abramovitz,1970
2. Bootstrapping error component models;Andersson;Comput. Stat.,2001
3. Sur les fonctions hypergéométriques de deux variables;Appell;J. Math. Pures Appl. (9),1882
4. Econometric Analysis of Panel Data;Baltagi,2013
5. A robust Hausman-Taylor estimator;Baltagi,2012