PERIODIC SOLUTIONS OF A CLASS OF MIXED-TYPE VOLTERRA INTEGRAL DIFFERENTIAL EQUATIONS

  • Li, Qing (MATHEMATICS DEPARTMENT, YANBIAN UNIVERSITY) ;
  • Li, Chunji (MATHEMATICS DEPARTMENT, YANBIAN UNIVERSITY) ;
  • Li, Zengshu (MATHEMATICS DEPARTMENT, YANBIAN UNIVERSITY)
  • 투고 : 1992.07.03
  • 발행 : 1993.12.20