[1]
Толмачев, С.Т. and Бондаревский, С.Л. 2013. Classification of heterogeneous structures and condtions of their doubly periodicity. Eastern-European Journal of Enterprise Technologies. 5, 5(65) (Oct. 2013), 24–29. DOI:https://doi.org/10.15587/1729-4061.2013.18108.