# CONTENTS

 Kaleidoscopical configurations in groups Protasov I. V., Slobodianiuk S. 115 On some modules over group rings of locally soluble groups with rank restrictions on subgroups Dashkova O. Yu. 119 An analytic continuation of random analytic functions (in Ukrainian) Filevych P. V. 128 On entire solutions with a two-member recurrent formula for Taylor's coefficients of linear differential equations Mahola Ya. S. 133 Certain classes of harmonic functions pertaining to special functions Murugusundaramoorthy G., Vijaya K., Thilagavathi K. 142 Boundedness of $l$-index of analytic curves Bordulyak M. T., Sheremeta M. M. 152 Maximum modulus of entire functions of two variables and arguments of coefficients of double power series Skaskiv O. B., Kuryliak A. O. 162 Conditions for the existence and asymptotic of a class of solutions of essential nonlinear differential equations of the second order (in Russian) Kozma À. A. 176 Operator analogues of Kummer’s test (in Ukrainian) Slyusarchuk V. Yu. 188 Under a suitable renorming every nonreflexive Banach space has a finite subset without a Steiner point Kadets V. 197 Accretive and nonnegative perturbations of an abstract analogy for the operator of the third boundary problem and corresponding variational problems (in Ukrainian) Kachurivska H. M., Storozh O. G. 201 Two-point method for solving nonlinear equation with nondifferentiable operator (in Ukrainian) Shakhno S. M., Yarmola H. P. 213 Index, 2011 221

Matematychni Studii
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