Mathematica - Volume 31 (54) (1989)
No. 1
AL-AMIRI, H.: On a subclass of close-to-convex functions with negative coefficients
Pages 1-7
APPLING, W. D.: Differential equivalence preserving functions
Pages 9-14
BLEZU, D.: On the n-close-to-convex functions with respect to a convex set (II)
Pages 15-24
COBZAŞ, S.: Extreme points in Banach spaces of Lipschitz functions
Pages 25-33
COVACI, R.: On the ideals of a direct product of generalized rings
Pages 35-38
EWERT, J.: On normal fuzzy topological spaces
Pages 39-45
GAL, Gh. S.: Extension d’un résultat sur l’approximation par des polynômes dans Cq[0,1]
Pages 47-51
GOLASINSKI, M.: n-fold extension and cohomologies of small categories
Pages 53-59
HRISTOVA, S. G. ; BAINOV, D. D.: The method of the small parameter in the theory of differential-difference equations with impulse effect
Pages 61-68
LEMMERT, R. ; VOLKMANN, P.: Un théorème du point fixe dans les ensembles ordonnés
Pages 69-73
OBRADOVIĆ, M. ; OWA, S.: On some criteria for starlikeness and spirallikeness
Pages 75-80
PASCU, N. N.: On a univalence criterion
Pages 81-83
PURDEA, I. ; BOTH, N.: Isomorphisms of power n-semigroups
Pages 85-90
THAKUR, S. S. ; PAIK, P.: On semi T0, semi T1 and semi T2 spaces
Pages 91-94
No. 2
ANISIU, V. ; MOCANU, P. T.: On a simple sufficient condition for starlikeness
Pages 97-101
COVACI, R.: Associative generalized rings
Pages 103-110
DANI, E.: The classical cooperative game - a relational system (I)
Pages 111-117
DRAGOMIR, S. S.: Representation of linear forms on modules endowed with semi-subinner products
Pages 119-126
DUCA, D. I.: Theorems of the alternative for nonhomogeneous complex linear equations and inequalities
Pages 127-142
JOHNSON, D. L.: On generalized polynomial monosplines of minimal uniform norm
Pages 143-152
MOLDOVEANU, S. ; PASCU, N. N.: A new generalization of Becker’s univalence criterion (I)
Pages 153-157
OWA, S. ; OGAWA, S. ; FUKUI, S. ; SAKAGUCHI, K.: Notes on λ-spiral functions of order α
Pages 159-164
PURDEA, I. ; BOTH, N.: Natural and logical extensions
Pages 165-169
TEODORU, G.: Continuous selections of multi-valued maps with non-convex right-hand side and the Goursat problem
for multi-valued hyperbolic equation ∂2 z/∂x∂y ∈ F(x, y, z)
Pages 171-179
VERMA, R. U. ; MOHAPATRA, R. N.: The Harte spectrum of doubly commuting systems of semi-normal operators
Pages 181-186
ZDERKIEWICZ, J.: On the solution of the equation f(z) = peitF(z) for subordinate functions and its application
Pages 187-195
