Some subpolytopes of the Birkhoff polytope. Marques de Sá, Eduardo (2006) ELA. The Electronic Journal of Linear Algebra [electronic only]
Star matrices: properties and conjectures. Arulraj, Soosai Maria, Somasundaram, Kanagasabapathi (2007) Applied Mathematics E-Notes [electronic only]
Subdominant eigenvalues for stochastic matrices with given column sums. Kirkland, Stephen J. (2009) ELA. The Electronic Journal of Linear Algebra [electronic only]
Sur l'orthogonalité de deux lois de probabilités correspondant à deux processus de Markov Abdul Raouf Darwich (1985) Publications mathématiques et informatique de Rennes
Symmetric stochastic matrices with given row sums. Ryszard Grzaslewicz (1990) Revista Matemática de la Universidad Complutense de Madrid Characterizations of extreme infinite symmetric stochastic matrices with respect to arbitrary non-negative vector r are given.