| (173c)-(173h) | Summaries of articles published in this issue. |
| 173-185 | The connection between the proximate order of an entire characteristic function and the corresponding distribution function. Dewess, Monika; Riedel, M. |
| 186-200 | О колеблемости ограниченных решений дифференциальных уравнений с возмущёнными аргументами. Grammatikopoulos, Myron K. |
| 201-219 | Free Suslin algebras. Ellentuck, Erik |
| 220-241 | On an approximate solution for quasilinear parabolic equations. Kačur, Jozef; Wawruch, Alojz |
| 242-245 | On the asymptotic classes of solutions of a superlinear differential equation. Lovelady, David Lowell |
| 246-249 | Generalized Weingarten surfaces. Afwat, Mohamed |
| 250-257 | On the rigidity of certain surfaces in $E^5$. Švec, Alois |
| 258-295 | On the lattices of kernels of isotonic mappings. II. Sturm, Teo |
| 296-312 | A realization of $d$-groups. Močkoř, Jiří |
| 313-338 | The ideal structure of $C$-semigroups. Schwarz, Štefan |