@article{AUCMP_1973__14_2_a7,
     author = {Beran, L.},
     title = {On a construction of amalgamation {I}},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {31--39},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {1973},
     mrnumber = {0357249},
     zbl = {0289.06006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1973__14_2_a7/}
}