@article{10_4064_sm_94_2_179_185,
     author = {Ryszard Szwarc},
     title = {Matrix coefficients of irreducible representations of free products of groups},
     journal = {Studia Mathematica},
     pages = {179--185},
     publisher = {mathdoc},
     volume = {94},
     number = {2},
     year = {1989},
     doi = {10.4064/sm-94-2-179-185},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-94-2-179-185/}
}