00533naa#a2200169#i#450# EN\\bibl\80828 20241124175215.7 2076-0655 20190325b2019####ek#y0engy0150####ca RUS RU Influence of poliarilsulfonate superplasticizer on properties of cement mortar and concrete mix Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2019 2 с. Journal article local Guvalov A A tsilicates.ru