From its description in 1863 until the 1920s, authority for name Spizaetus philippensis was almost universally agreed to be J. H. Gurney, but from 1930s it has normally been ascribed Gould. This paper demonstrates that this alteration of incorrect; should Gurney. The two syntypes taxon are currently held by Natural History Museum at Tring.

The Gould–Hopper–Laguerre–Sheffer matrix polynomials were initially studied using operational methods, but in this paper, we investigate them techniques. By leveraging properties of Pascal functionals and Wronskian matrices, derive several identities for these polynomials, including recurrence relations. It is highlighted that identities, acquired via techniques, are distinct from the ones obta...

Our objective in this paper is to present the sequence of Stancu type operators including generalized Brenke polynomials. We answer problem uniform approximation continuous functions on closed bounded interval and order convergence estimate by known tools theory. Furthermore, we apply some results obtained work Miller-Lee polynomials Gould-Hopper

La nueva especie que se propone para el Plioceno Meditrráneo es una forma muy afin a Nassarius elatus (Gould), de la cual diferencia, basicamente, por su protoconcha. Se da descripción del holotipo y variabilidad especie, tanto morfológica como biométrica. comenta repartición estratigráfica biogeográfica, asf algunos aspectos paleobiológicos, los cuales justifican separación las formas estudiad...