# Existence of least energy positive, negative and nodal solutions for a class of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:mi>p</mml:mi><mml:mtext>&amp;</mml:mtext><mml:mi>q</mml:mi></mml:math>-problems with potentials vanishing at infinity

> Research article (Journal of Mathematical Analysis and Applications, 2015) · cited 52× · AI/ML

**Wikidata**: [openalex:W2019504076](https://www.wikidata.org/wiki/openalex:W2019504076)  
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