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Published in 2018 at "Journal of Applied Analysis and Computation"
DOI: 10.11948/2018.1959
Abstract: In this paper, by using the method of Picard-Fuchs equation and Riccati equation, we study the upper bounds for the associated number of zeros of Abelian integrals for two classes of quadratic reversible centers of…
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Keywords:
zeros abelian;
abelian integrals;
upper bounds;
associated number ... See more keywords
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Published in 2020 at "Revista Mexicana de Ciencias Pecuarias"
DOI: 10.22319/rmcp.v11i3.5002
Abstract: The porcine reproductive and respiratory syndrome (PRRS) is a viral disease that decreases the reproductive performance in breeding sows and leads to economic losses to the swine industry. The objective of the present study was…
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Keywords:
infected prrs;
prrs virus;
number live;
associated number ... See more keywords