Volume 20, supplement 1 | |

Editorial | |

An Unusual Commemoration for an Unusual Man, Professor Krassimir Atanassov | |

Invited Papers | |

Intuitionistic Fuzzy Sets | S1-S6 |

Krassimir Atanassov [ full text ] | |

Review and New Results on Intuitionistic Fuzzy Sets | S7-S16 |

Krassimir Atanassov [ full text ] | |

Two Variants of Intuitionistic Fuzzy Propositional Calculus | S17-S26 |

Krassimir Atanassov [ full text ] | |

Geometrical Interpretation of the Elements of the Intuitionistic Fuzzy Objects | S27-S42 |

Krassimir Atanassov [ full text ] | |

Two Variants of Intuitionistic Fuzzy Modal Logics | S43-S54 |

Krassimir Atanassov [ full text ] | |

Four New Operators over Intuitionistic Fuzzy Sets | S55-S62 |

Krassimir Atanassov [ full text ] | |

Remarks on a Temporal Intuitionistic Fuzzy Logic | S63-S68 |

Krassimir Atanassov [ full text ] | |

Intuitionistic Fuzzy Sets over Different Universes | S69-S74 |

Krassimir Atanassov [ full text ] | |

One New Algebraic Object | S75-S83 |

Krassimir Atanassov [ full text ] | |

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