Oscillation of second order differential equations with advanced argument
Jozef Džurina (1995)
Mathematica Slovaca
Similarity:
Jozef Džurina (1995)
Mathematica Slovaca
Similarity:
Rudolf Oláh (1984)
Czechoslovak Mathematical Journal
Similarity:
Ján Regenda (1984)
Mathematica Slovaca
Similarity: