1981, f. 1, tomul XXVII

Radu, G.; Ștefănescu, M.; Tofan, I.: On algebraic theories, p. 5
Solarin, A.R.T.; Sharma, B.I.: On the construction of Bol-loops, p. 13
Radu, A.G.; Radu, G.G.: Existential and universal quantifiers in an elementary topos, p. 19
Abian, A.: The precise annuli containing the zeros of polynomials, p. 31
Costinescu, O.: Sur une application de la mesure de non-compacité, p. 33
Buhăescu, T.T.: On convex functions from a fuzz X to a fuzz Y, p. 37
Sinha, D.: Mixed topolgy for a function space, p. 43
Florescu, L.: Uniformities with a dilatation function, p. 49
Popa, E.: Notion de spèctre dans une catégorie quelconque (II), p. 55
Isac, C.; Gaudet, R.: Sur l’existence des valeurs propres positives pour des opérateurs non-linéaires dans les espaces localement convexes, p. 63
Iacob, F.: Optimal impulsive control of linear evolutionary processes with quadratic performance index in Hilbert spaces, p. 73
Turinici, M.: A singular perturbation method for a system of functional differential equations, p. 103
Pachpatte, B.G.: Common fixed point theorems in uniformly convex Banach spaces, p. 109
Khan, M.S.: Jointly-contractive mappings and fixed point theorems, p. 113
Vrabie, I.I.: Compactness methods and flow-invariance for perturbed nonlinear semigroups, p. 117
Akinyele, O.: On the stability of self p-invariant sets, p. 127
Afuwape, A.U.; Thandapani, E.: On the convergence of solutions of certain fourth order differential equations, p. 133
Agarwal, R.P.; Thandapani, E.: On nonlinear discrete inequalities of Gronwall’s type, p. 139
Fazl-Ul-Haq: On uniform Nörlund summability of the conjugate derived Fourrier series, p. 145
Marcus, F.: Some remarks on non-ruled surfaces whose asymptotes of both families belong to linear complexes, p. 153
Maxim-Răileanu, L.: Critical section of a Riemannian fibre bundle, p. 157
Bejancu, A.; Papaghiuc, N.: Semi-invariant submanifolds of a Sasakian manifold, p. 163
Nicolescu, L.: Champs presque spéciaux dans l’algèbre de déformation, p. 171
Borș, C.I.: Deformable solids with microstructure having a symmetric stress tensor, p. 177
Macovei, T.: Thermal stresses in anisotropic micropolar elastic cylinders, p. 185
Lal, M.: Second order elastic effects in a triangular hole with rounded corners under uniform normal pressure, p. 195
Chiorescu, G.: Lyapunov stability in the linear generalized theory of elastic rods, p. 201
Book reviews, p. 205