## Vol 5 (1957)

#### Articles

 Note on groups with and without full Banach mean value Erling Folner 5-11
 An inequality for finite sequences Fu Cheng Hsiang 12-14
 A generalization of Courant's nodal domain theorem. Jaak Peetre 15-20
 Note on simultaneous quadratic congruences L. J. Mordell 21-26
 Local and global properties of fundamental solutions Lars HÖrmander 27-39
 Two remarks on set theory Th. Skolem 40-46
 Besicovitch almost periodic functions in arbitrary groups Erling Folner 47-53
 The decomposition of a continuous linear functional into non-negative components J. D. Weston 54-56
 On certain distributions of integers in pairs with given differences Th. Skolem 57-68
 On the sequence $[n \alpha]$, $n = 1,2,\dots$. Supplementary note to the preceding paper by Th. Skolem Thoger Bang 69-76
 Some identities involving the partition function Oddmund Kolberg 77-92
 Estimates of the Friedrichs-Lewy type for mixed problems in the theory of linear hyperbolic differential equations in two independent variables Vidar ThomÉe 93-113
 On the relation of congruence in finite geometries Paul Kustaanheimo 197-201
 Note on a $q$-identity W. A. Al-salam 202-204
 On some fundamental problems concerning isomorphism of Boolean algebras William Hanf 205-217
 Remarks on direct products of commutative semigroups Alfred Tarski 218-223
 On isomorphism types of groups and other algebraic systems Bjarni JÓnsson 224-229
 On direct decompositions of torsionfree Abelian groups Bjarni JÓnsson 230-235
 The theorem of Eneström and the extremal functions of Landau-Schur Aurel Wintner 236-240
 On spectral functions belonging to an elliptic differential operator with variable coefficients Gunnar Bergendal 241-254
 On the comparison theorem of Kneser-Hille Aurel Wintner 255-260
 On an explicit formula in linear least squares prediction Edwin J. Akutowicz 261-266
 On an absolute constant for a class of power series C. T. Rajagopal 267-270
 The Pincherle basis problem and a theorem of Boas Maynard G. Arsove 271-275
 Some remarks on one-sided approximation Tord Ganelius, GÉza Freud 276-284
 Eine Bemerkung zur asymptotischen Darstellung von Orthogonalpolynomen G. Freud 285-290
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