nard

• An existence and uniqueness theorem of limit cycles for li 233 ; nard system
  极限环的一个存在唯一性定理
• Existence theorems of periodic solution for a class of high order li nard equation with delay
  型方程的周期解的存在性定理
• Made of pure nard . .
  真哪哒香膏. .
• Made of pure nard . .
  真哪哒香膏. .
• Existence of periodic solutions for generalized li nard - typed functional differential equations
  型泛函微分方程周期解的存在性
• The uniqueness of limit cycles from poincar 233 ; bifurcation of li 233 ; nard equation
  方程零解的全局渐近稳定性和极限环的存在性
• On boundedness , global attractivity of solutions and existence of limit cycle of li 233 ; nard systems
  系统极限环的存在性与唯一性
• Made of pure nard
  真哪哒香膏
• On existence , uniqueness and stability of almost periodic solutions for a generalized li 233 ; nard system
  微分方程系概周期解的存在唯一性
• Global asymptotic stability of origin and the existence of limit cycles of generalized li 233 ; nard equation
  全局吸引性及极限环的存在性