OSCILLATION CRITERIA FOR EVEN ORDER NEUTRAL DIFFERENCE EQUATIONS Article Selvarangam S., Rupadevi S.A., Thandapani E., Pinelas S. Opuscula Mathematica. AGH University of Science and Technology. Vol. 39. 2018. P. 91-108
OSCILLATION OF SOLUTIONS TO NON-LINEAR DIFFERENCE EQUATIONS WITH SEVERAL ADVANCED ARGUMENTS Article Pinelas S., Dix J.G. Opuscula Mathematica. AGH University of Science and Technology. Vol. 37. 2017. P. 887-898