"3"^^ . "000175196400004" . . . "RIV/00216224:14310/02:00005660!RIV09-MSM-14310___" . . . "49(2002)" . . "On periodic solutions of first order linear functional differential equations"@cs . "[8BC82D5AF85B]" . . "3"^^ . . "656898" . "New optimal sufficient conditions are established for the existence of a unique periodic solution of first order scalar functional differential equations"@en . . "RIV/00216224:14310/02:00005660" . . "New optimal sufficient conditions are established for the existence of a unique periodic solution of first order scalar functional differential equations" . "Hakl, Robert" . . . . "New optimal sufficient conditions are established for the existence of a unique periodic solution of first order scalar functional differential equations"@cs . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . "On periodic solutions of first order linear functional differential equations"@cs . . . "7" . "On periodic solutions of first order linear functional differential equations"@en . "0362-546X" . "P\u016F\u017Ea, Bed\u0159ich" . "Lomtatidze, Alexander" . . "14310" . . "P(GA201/99/0295), Z(AV0Z1019905), Z(MSM 143100001)" . "On periodic solutions of first order linear functional differential equations"@en . . "Nonlinear Analysis TMA" . "On periodic solutions of first order linear functional differential equations" . . "On periodic solutions of first order linear functional differential equations" . . . "functional differential equation; periodic solution; existence and uniqueness"@en . "17"^^ .