@article{kim_2015, 
  title={SOME OPIAL-TYPE INEQUALITIES APPLICABLE TO DIFFERENTIAL EQUATIONS INVOLVING IMPULSES}, 
  volume={22}, 
  DOI={10.7468/jksmeb.2015.22.4.315}, 
  publisher={Korea Society of Mathematical Education}, 
  author={KIM}, 
  year={2015}, 
  month={Nov}
  }