| (171c),(171d),(171e),(171f) | Summaries of articles published in this issue. |
| 171-174 | Intersection graphs of finite abelian groups. Zelinka, Bohdan |
| 175-178 | Tolerance in algebraic structures. II. Zelinka, Bohdan |
| 179-189 | О поведении решений систем дифференциальных уравнений второго порядка. Kudaev, M. B. |
| 190-201 | Continuous extension of sequentially continuous linear functionals in inductive limits of normed spaces. Kranzler, Stan K.; McDermott, T. S. |
| 202-213 | Translation invariant linear operators and generalized functions. Swartz, Charles |
| 214-226 | Projektive Abbildungen projektiver Räume mit Homomorphismus. Machala, František |
| 227-239 | Über die Regularität der schwachen Lösungen von Randwertaufgaben für quasilineare elliptische Differentialgleichungen höherer Ordnung. Müller, Manfred; Nečas, Jindřich |
| 240-246 | Unoriented graphs of modular lattices. Jakubík, Ján |
| 247-260 | Green's relations for stochastic matrices. Wall, James R. |
| 261-273 | On compressed ideals in topological semigroups. Shum, Kar-Ping |
| 274-278 | A matrix characterization of the maximal groups in $\beta_X$. Hartfiel, Darald J.; Maxson, Carlton J. |
| 279-281 | О $\sigma$-полных решеточно упорядоченных группах. Rotkovič, G. Ja. |
| 282-283 | A strong complement property of Dedekind domains. Moore, M. E. |
| 284-299 | Torsion theory for lattice-ordered groups. Martinez, Jorge |
| 300-301 | Connected simple graphs and a selection problem. Jones, F. Burton |
| 302-308 | Systems of equations and tolerance relations. Chajda, Ivan |
| 309-316 | Continuity and maximum principle for potentials of signed measures. Netuka, Ivan |
| 317,318-329 | Algebraische Theorie der Transformation der linearen Differentialgleichungen. Hustý, Zdeněk |
| 330-335 | The seventieth anniversary of Professor Josef Novák. Frolík, Zdeněk; Zítek, František |
| 336-337 | Book review. Fučík, S., Nečas, J., Souček, J., Souček, V.: Spectral Analysis of Nonlinear Operators. Kučera, Milan |