J. Łos. On the extending of models (I). Fundamenta mathematicae, vol. 42 (1955), pp. 38–54. - J. Łos and R. Suszko. On the extending of models (II). Common extensions. Fundamenta mathematicae, vol. 42 (1955), pp. 343–347. - J. Słomiński. On the extending of models (III). Extensions in equationally definable classes of algebras. Fundamenta mathematicae, vol. 43 (1956), pp. 69–76. - J. Łos and R. Suszko. On the extending of models (IV). Infinite sums of models. Fundamenta mathematicae, vol. 44 (1957), pp. 52–60.
H. Jerome Keisler · Journal of Symbolic Logic · 1962
J. Łos. On the extending of models (I). Fundamenta mathematicae, vol. 42 (1955), pp. 38–54. - J. Łos and R. Suszko. On the extending of models (II). Common extensions. Fundamenta mathematicae, vol. 42 (1955), pp. 343–347. - J. Słomiński. On the extending of models (III). Extensions in equationally definable classes of algebras. Fundamenta mathematicae, vol. 43 (1956), pp. 69–76. - J. Łos and R. Suszko. On the extending of models (IV). Infinite sums of models. Fundamenta mathematicae, vol. 44 (1957), pp. 52–60. - Volume 27 Issue 1