On the Continent there appeared several writers, including: Christian Pescheck, Abat Bonaventura, the Dutch writer Paul Halcken, and Edme-Gilles Guyot's four volumes of Nouvelles Récréations physiques et mathématiques, etc. (1769, 1786).
Depending on the requirements in different problems, there appeared several different definitions of chaos, some are stronger and some are weaker.
Among the icon painters, who never signed their work, there appeared several artists of genius.
In the 17th century, as a counterpart to the various "confessions" of the Reformation, there appeared several "Orthodox confessions," endorsed by local councils but in fact associated with individual authors (e.g., Metrophanes Critopoulos, 1625; Petro Mohyla, 1638; Dosítheos of Jerusalem, 1672).
Since then, there appeared several generalizations of (3), for example, based on control functions; see [8, Section 3.3] or [12, Section 1.3].
Since Li and Yorke [18] first introduced a precise mathematical definition of chaos, there appeared several different definitions of chaos, some are stronger and some are weaker, depending on the requirements in different problems; see [19 22]etc.
There have appeared several versions for the Gronwall inequality in the literature; we list here those results which concern with fractional differential or difference equations [34 39].
Unfortunately, there appear to be several issues that are emerging as common sources of error in using this technique.
These studies demonstrate that O-antigen and capsule are linked at a number of points in the biosynthetic and assembly pathway but there appear to be several points in transport and assembly that are different.
