@misc{Bielak_Halina_Statuses,
 author={Bielak, Halina and Powroźnik, Kamil},
 howpublished={online},
 publisher={Uniwersytet Marii Curie-Skłodowskiej},
 language={eng},
 type={artykuł},
 title={Statuses and double branch weightsof quadrangular outerplanar graphs},
 keywords={matematyka},
}